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Chronometry

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occasionally confused with incandescent light emissions of a material, a different process despite the many similarities. However, this only occurs if the material has had previous exposure to and absorption of energy from radiation. Importantly, the light emissions of thermoluminescence cannot be repeated. The entire process, from the material's exposure to radiation would have to be repeated to generate another thermoluminescence emission. The age of a material can be determined by measuring the amount of light given off during the heating process, by means of a phototube, as the emission is proportional to the dose of radiation the material absorbed.
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Adapting to circadian and circannual rhythms is an essential evolution for living organisms, these studies, as well as educating on the adaptations of organisms also bring to light certain factors affecting many of species' and organisms' responses, and can also be applied to further understand the overall physiology, this can be for humans as well, examples include: factors of human performance, sleep, metabolism, and disease development, which are all connected to biochronometrical cycles.
3332: 607: 693: 29: 3113: 225: 851: 142:. That term is used both by people who deal professionally with timekeeping apparatuses, as well as enthusiasts and scholars of horology. Horology and horologists have numerous organizations, both professional associations and more scholarly societies. The largest horological membership organisation globally is the NAWCC, the National Association of Watch and Clock Collectors, which is US based, but also has local chapters elsewhere. 904: 642:– through measuring reaction times of subjects with varied methods, and contribute to studies in cognition and action. Reaction time models and the process of expressing the temporostructural organisation of human processing mechanisms have an innate computational essence to them. It has been argued that because of this, conceptual frameworks of cognitive psychology cannot be integrated in their typical fashions. 615:
entrained rhythms, where the former is attained from within the species' natural environment and the latter from a subject that has been taught certain behaviours. Circannual rhythms are alike but pertain to patterns within the scale of a year, patterns like migration, moulting, reproduction, and body weight are common examples, research and investigation are achieved with similar methods to circadian patterns.
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There is debate over when the earliest use of lunar calendars was, and over whether some findings constituted as a lunar calendar. Most related findings and materials from the palaeolithic era are fashioned from bones and stone, with various markings from tools. These markings are thought to not have
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Geochronometry deals with calculating a precise date of rock sediments and other geological events, giving an idea as to what the history of various areas is, for example, volcanic and magmatic movements and occurrences can be easily recognised, as well as marine deposits, which can be indicators for
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In the Ancient Greek lexicon, meanings and translations differ depending on the source. Chronos, used in relation to time when in definite periods, and linked to dates in time, chronological accuracy, and sometimes in rare cases, refers to a delay. The length of the time it refers ranges from seconds
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even endured for a long period afterwards, surviving past even its culture's collapse and through the early Christian era. It has been assumed to have been invented near 4231 BC by some, but accurate and exact dating is difficult in its era and the invention has been attributed to 3200 BC,
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Circadian and circannual rhythms can be seen in all organisms, in both single and multi-celled organisms. A sub-branch of biochronometry is microbiochronometry (also chronomicrobiology or microbiological chronometry), and is the examination of behavioural sequences and cycles within micro-organisms.
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Kairos (καιρός) carries little emphasis on precise chronology, instead being used as a time specifically fit for something, or also a period of time characterised by some aspect of crisis, also relating to the endtime. It can as well be seen in the light of an advantage, profit, or fruit of a thing,
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However, as humans' focus turned to farming the importance and reliance on understanding the rhythms and cycle of the seasons grew, and the unreliability of lunar phases became problematic. An early human accustomed to the phases of the moon would use them as a rule of thumb, and the potential for
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Circadian rhythms of various species can be observed through their gross motor function throughout the course of a day. These patterns are more apparent with the day further categorised into activity and rest times. Investigation into a species is conducted through comparisons of free-running and
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French term (commonly used in English-speaking countries) for a movement blank, i.e., an incomplete watch movement sold as a set of loose parts—comprising the main plate, bridges, train, winding and setting mechanism, and regulator. The timing system, escapement, and mainspring, however, are not
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French term for the method of manufacturing watches or movements by assembling their various components. It generally includes the following operations: receipt, inspection and stocking of the "ébauche", the regulating elements and the other parts of the movement and of the make-up; assembling;
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in Ancient Greek mythology, who embodied the image of time, originated from out of the primordial chaos. Known as the one who spins the Zodiac Wheel, further evidence of his connection to the progression of time. However, Ancient Greek makes a distinction between two types of time, chronos, the
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Because of the inherent relation between chronos and kairos, their function the Ancient Greek's portrayal and concept of time, understanding one means understanding the other in part. The implication of chronos, an indifferent disposition and eternal essence lies at the core of the science of
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Thermoluminescence is an extremely useful concept to apply, being used in a diverse amount of areas in science, dating using thermoluminescence is a cheap and convenient method for geochronometry. Thermoluminescence is the production of light from a heated insulator and semi-conductor, it is
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By measuring the daughter isotopes in a specific sample its age can be calculated. The preserved conformity of parent and daughter nuclides provides the basis for the radioactive dating of geochronometry, applying the Rutherford Soddy Law of Radioactivity, specifically using the concept of
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based photoperiod time measurement biological system – which measures the change in daylight within the annual cycle, giving a sense of the time in the year – and their circannual rhythms, providing an anticipation of environmental events months beforehand to increase chances of survival.
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weather to interfere with reading the cycle further degraded the reliability. The length of a moon is on average less than our current month, not acting as a dependable alternate, so as years progress the room of error between would grow until some other indicator would give indication.
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Early humans would have used their basic senses to perceive the time of day, and relied on their biological sense of time to discern the seasons in order to act accordingly. Their physiological and behavioural seasonal cycles mainly being influenced by a
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been the result of marks to represent the lunar cycles but non-notational and irregular engravings, a pattern of latter subsidiary marks that disregard the previous design is indicative of the markings being the use of motifs and ritual marking instead.
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rose before sunrise every 365 days, a year as we know it now, and was remade to consist of twelve months of thirty days, with five epagomenal days. The former is referred to as the Ancient Egyptians' lunar calendar, and the latter the civil calendar.
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French term for an independent watchmaker (or workshop) engaged in assembling watches, either wholly or in part, for the account of an "établisseur" or a "manufacture", who supply the necessary loose parts. See "atelier de terminage" above.
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Early calendars often hold an element of their respective culture's traditions and values, for example, the five day intercalary month of the Ancient Egyptian's civil calendar representing the birthdays of the gods
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French term for a small secondary source of power, typically a weight or spring, which runs the timekeeping mechanism and is itself periodically rewound by the timepiece's main power source, such as a
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and its contemporary human information processing approach. Research comprises applications of the chronometric paradigms – many of which are related to classical reaction time paradigms from
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Biochronometry (also chronobiology or biological chronometry) is the study of biological behaviours and patterns seen in animals with factors based in time. It can be categorised into
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but has also been represented in apocalyptic feeling, and likewise shown as variable between misfortune and success, being likened to a body part vulnerable due to a gap in armor for
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Winlock, H.E. (1940). Proceedings of the American Philosophical Society: The Origin of the Ancient Egyptian Calendar, Vol 83, p.447-464. American Philosophical Society.
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Spalinger, A. (1995). Journal of Near Eastern Studies: Some Remarks on the Epagomenal Days in Ancient Egypt, Vol 54(1), p.33-47. Chicago University Press.
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D'Errico, F. (1989). Current Anthropology: Palaeolithic Lunar Calendars: A Case of Wishful Thinking?. Vol 30(1), p.117-118. University of Chicago Press.
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Kinsella, J., & Bradley, A. (1934). The Mathematics Teacher: The Mayan Calendar. Vol 27(7), p.340-343. National Council of Teachers of Mathematics.
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marine events and even global environmental changes. This dating can be done in a number of ways. All dependable methods – barring the exceptions of
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Van der Molen, M.W, et al. (1991). Chronopsychophysiology: Mental chronometry augmented by psychophysiological time markers. John Wiley & Sons.
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Bauer, W. (2001). A Greek-English Lexicon of the New Testament and Other Early Christian Literature (Third Edition). University of Chicago Press.
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Lincoln, GA, Andersson, H & Loudon A. (2003). Clock genes in calendar cells as the basis for annual timekeeping in mammals. BioScientifica.
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French term for a watch factory that produces components (particularly the "ébauche") for its products (watches, alarm and desk clocks, etc.).
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is broader in scope, also including biological behaviours with respect to time (biochronometry), as well as the dating of geological material (
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to seasons of the year to lifetimes, it can also concern periods of time wherein some specific event takes place, or persists, or is delayed.
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Erfurt, G (et al.). (2003). A fully automated multi-spectral radioluminescence reading system for geochronometry and dosimetry. Elsevier.
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In the Swiss watch industry, the term manufacture is used of a factory that manufacturers watches almost completely, as distinct from an
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Marshack, A. (1989). Current Anthropology: On Wishful Thinking and Lunar "Calendars", Vol 30(4), p.491-500. University of Chicago Press.
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Lombardi, M. A.; Heavner, T.P.; Jefferts, S. R. (2007). "NIST Primary Frequency Standards and the Realization of the SI Second".
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in London contains an extensive public collection on horology. In Upton, also in the United Kingdom, at the headquarters of the
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IEEE Guide for Measurement of Environmental Sensitivities of Standard Frequency Generators (Revision of IEEE Std 1193 - 1994)
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respectively), with rough meanings of "time" and "measure". The combination of the two is taken to mean time measuring.
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Coles, M.G, et al. (1995). Mental Chronometry and the study of Human Information Processing. Oxford University Press.
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Bünning, E. (1964). The Physiological Clock: Endogenous diurnal rhythms and biological chronometry. Springer Verlag.
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IEEE Standard Definitions of Physical Quantities for Fundamental Frequency and Time Metrology—Random Instabilities
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There are many horology museums and several specialized libraries devoted to the subject. One example is the
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Rasskazov, S.V, Brandt, S.R & Brandt I.S. (2010). Radiogenic isotopes in geological processes. Springer.
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springing and timing; fitting the dial and hands; casing; final inspection before packing and dispatching.
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Horology is commonly used specifically with reference to the mechanical instruments created to keep time:
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Jones, A. (1997). On the Reconstructed Macedonian and Egyptian Lunar Calendars. Dr. Rudolf Habelt GmbH.
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Abrams, R.A, Balota, D.A. (1991). Mental Chronometry: Beyond Reaction Time. Cambridge University Press.
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Menaker, M (Ed.) (1971). Biochronometry: Proceedings of a Symposium. National Academy of Sciences, USA.
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static and continuing progress of present to future, time in a sequential and chronological sense, and
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Murhchadha. F.O. (2013). The Time of Revolution: Kairos and Chronos in Heidegger. Bloomsbury Academic.
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French term for a watch factory that assembles watches from components it buys from other suppliers.
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is smaller but located nearby. Other good horological libraries providing public access are at the
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The dating of geological materials makes up the field of geochronometry, and falls within areas of
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Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
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Jensen, A.R. (2006). Clocking the Mind: Mental chronometry and individual differences. Elsevier.
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Gillette, M.U. (2013). Chronobiology: biological timing in health and disease. Academic Press.
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and the home of the first marine timekeepers accurate enough to determine longitude (made by
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French term denoting the process of assembling watch parts for the account of a producer.
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Liddell, H & Scott, R. (1996). A Greek-English Lexicon. Oxford University Press, USA.
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Chronometry is derived from two root words, chronos and metron (χρόνος and μέτρον in
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Edmunds, L.N. (1985). Physiology of Circadian Rhythms in Micro-organisms. Elsevier.
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usually refers specifically to the study of mechanical timekeeping devices, while
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Naylor, E. (2010). Chronobiology of Marine Organisms. Cambridge University Press.
1502: 514: 315: 1068:. One of the most comprehensive horological libraries open to the public is the 3885: 3644: 3634: 3573: 3530: 3362: 3352: 3321: 3221: 3193: 3036: 3026: 2825: 2697: 2667: 2652: 2437: 2395: 2390: 2262: 2124: 1303: 1283: 947: 935: 814: 737: 696:
An artistic illustration of the tracking of the earth's history through geology
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Strong's Greek: 2540. καιρός (kairos). (n.d.). Retrieved 2 October 2020, from
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has the Musée du Temps (Museum of Time) in the historic Palais Grenvelle. In
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Elderfield, H (Ed.). (2006). The oceans and marine geochemistry. Elsevier.
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The two leading specialised horological museums in North America are the
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A grand complication: the race to build the world's most legendary watch
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The Ancient Egyptian calendars were among the first calendars made, and
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Levine, Judah (1999). "Introduction to time and frequency metrology".
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McKeever, S.W.S. (1983). Thermoluminescence of solids. Academic Press.
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Mark 1:15 Greek Text Analysis. (n.d.). Retrieved 2 October 2020, from
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chronometry, bias is avoided, and definite measurement is favoured.
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One of the more comprehensive museums dedicated to horology is the
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radioactive transformation in the growth of the daughter nuclide.
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in Switzerland, which contains a public library of horology. The
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Specifying measures of time-measurement in clear reference units
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Arias, Elisa Felicitas (2 July 2005). "The metrology of time".
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Meyer, D.E, et al. (1988). Modern Mental Chronometry. Elsevier.
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used to measure time. People interested in horology are called
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Harland, W.B. (1975). The two geological time scales. Nature.
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Price List – CHNet. (n.d.). Retrieved 25 October 2020, from
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International Earth Rotation and Reference Systems Service
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International Earth Rotation and Reference Systems Service
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is often used as a symbol representing the passage of time
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Ramsey, N. F. (2005). "History of Early Atomic Clocks".
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Ancient Egyptian sundial splitting daytime into 12 parts
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Notable scholarly horological organizations include:
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Horology, a popular sketch of clock and watch making
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A Rudimentary Treatise on Clocks, Watches and Bells
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Its main tasks are the realization of the 176:Chronos, the Greeks' personification of time 56: 3160: 3146: 2188: 2174: 1089:American Watchmakers-Clockmakers Institute 578: 564: 907:"Universal Clock" at the Clock Museum in 891:Learn how and when to remove this message 792:when the first historical king of Egypt, 180:The root word is correlated with the god 3691:International Commission on Stratigraphy 902: 840: 778: 691: 605: 171: 39: 27: 1662:https://biblehub.com/text/mark/1-15.htm 1299:Time and Frequency Standards Laboratory 3909: 2077:Federation of the Swiss Watch Industry 2050: 2024: 2022: 1900: 1850:(1834). The Royal Society: 2289–2305. 1561: 1113:Deutsche Gesellschaft für Chronometrie 3141: 2169: 2003: 2001: 1999: 1997: 1978: 1976: 1974: 1841: 1816: 1814: 1786: 1784: 1782: 1745: 1743: 1715: 1713: 1711: 1701: 1699: 1689: 1687: 622: 610:Features of the human circadian cycle 3122: 1937: 1617: 1615: 1605: 1603: 1601: 1252:Outline of metrology and measurement 873:adding citations to reliable sources 844: 2019: 1831:http://chnet.infn.it/en/price-list/ 1650:https://biblehub.com/greek/2540.htm 13: 2044: 1994: 1971: 1811: 1779: 1740: 1708: 1696: 1684: 1451: 1127:– NAWCC (United States of America) 934:, which is also the source of the 926:History of clockmaking in Besançon 833:use of a zero date as well as the 736:for time and the establishment of 14: 3943: 3411:Discrete time and continuous time 1612: 1598: 1121:– HSNY (United States of America) 1091:– AWCI (United States of America) 708: 652: 590: 3336: 3330: 3121: 3112: 3111: 2140: 2115: 2112:, London: Aylett and Jones, 1849 1909:(6). AIP Publishing: 2567–2596. 1903:Review of Scientific Instruments 1535:(4). NCSL International: 74–89. 1079: 1070:National Watch and Clock Library 1039: 995:Musée international d'horlogerie 983:Musée international d'horlogerie 849: 645:One common method is the use of 223: 2031: 2010: 1985: 1962: 1823: 1802: 1793: 1770: 1761: 1752: 1731: 1722: 1675: 1666: 1654: 1642: 1633: 1624: 1119:Horological Society of New York 1095:Antiquarian Horological Society 1054:American Clock and Watch Museum 1046:National Watch and Clock Museum 860:needs additional citations for 3484:History of timekeeping devices 1555: 1541:10.1080/19315775.2007.11721402 1520: 1508: 1466: 1445: 1365: 1316: 1062:Willard House and Clock Museum 758:History of timekeeping devices 665:, while differing itself from 1: 1438: 1101:British Horological Institute 964:British Horological Institute 509:Ultimate fate of the universe 2150:10.1109/ieeestd.2008.4797525 1570:(3). IOP Publishing: S1–S3. 718:time and frequency metrology 208: 156: 7: 3431:Gravitational time dilation 3267:Barycentric Coordinate Time 2926:Geological history of Earth 1459:Online Etymology Dictionary 1274:List of watch manufacturers 1269:List of clock manufacturers 1245: 1137: 991:Musée d'Horlogerie du Locle 932:Royal Greenwich Observatory 724:for timekeeping, including 10: 3948: 3287:Geocentric Coordinate Time 3272:Barycentric Dynamical Time 3210:Coordinated Universal Time 2278:Orders of magnitude (time) 2125:10.1109/ieeestd.2004.94440 1584:10.1088/0026-1394/42/3/S01 1482: 1474: 1404: 1387: 1348: 1329: 1249: 923: 755: 751: 18: 3841: 3732: 3699: 3673: 3554: 3454: 3441:Time-translation symmetry 3371: 3345: 3328: 3252:International Atomic Time 3202: 3179: 3107: 3049: 3002: 2989:Time translation symmetry 2934: 2874: 2864: 2786: 2713: 2633: 2574: 2458: 2376: 2286: 2248: 2234: 2203: 1345: 'time' and 1250:For a topical guide, see 1205:Manufacture d'horlogerie 1030:Furtwangen im Schwarzwald 919: 2195: 2144:, Piscataway, NJ: IEEE, 2119:, Piscataway, NJ: IEEE, 1309: 647:event-related potentials 19:Not to be confused with 3701:Astronomical chronology 3674:Archaeology and geology 3381:Absolute space and time 3297:IERS Reference Meridian 3292:International Date Line 3203:International standards 2944:Absolute space and time 2595:Astronomical chronology 1498:A Greek–English Lexicon 1259:Complication (horology) 952:Science Museum (London) 2994:Time reversal symmetry 2298:Italian six-hour clock 2051:Perman, Stacy (2013). 1864:10.1098/rsta.2005.1633 1375: 1171:parts of the ébauche. 1103:– BHI (United Kingdom) 1097:– AHS (United Kingdom) 1074:Columbia, Pennsylvania 1066:Grafton, Massachusetts 1050:Columbia, Pennsylvania 916: 784: 734:SI unit of measurement 720:is the application of 697: 611: 177: 45: 37: 3660:Weekday determination 3546:Sundial markup schema 2759:Time and fate deities 2704:The Unreality of Time 2643:A series and B series 1489:Liddell, Henry George 1279:Winthrop Kellogg Edey 1026:Deutsches Uhrenmuseum 906: 841:Museums and libraries 798:Upper and Lower Egypt 782: 695: 609: 175: 43: 31: 3681:Chronological dating 3421:Theory of relativity 3282:Daylight saving time 3010:Chronological dating 2979:Theory of relativity 2323:Daylight saving time 1945:"time and frequency" 1515:Webster's Dictionary 1418: 'hour, time', 1198:atelier de terminage 1058:Bristol, Connecticut 869:improve this article 636:cognitive psychology 134:are all examples of 3891:Time value of money 3686:Geologic time scale 3541:History of sundials 3406:Cosmological decade 3358:Greenwich Mean Time 3189:Orders of magnitude 2303:Thai six-hour clock 2055:. New York: Atria. 1915:1999RScI...70.2567L 1856:2005RSPTA.363.2289A 1576:2005Metro..42S...1R 997:in Switzerland, at 944:Clockmakers' Museum 742:frequency standards 726:frequency stability 128:marine chronometers 3866:Mental chronometry 3494:Marine chronometer 3346:Obsolete standards 2833:Rosy retrospection 2811:Mental chronometry 2635:Philosophy of time 1156:French term for a 956:Wallace Collection 917: 789:the civil calendar 785: 698: 675:thermoluminescence 667:chronostratigraphy 628:Mental chronometry 623:Mental chronometry 612: 503:Radiometric dating 199:Christian theology 178: 46: 38: 3904: 3903: 3714:Nuclear timescale 3396:Continuous signal 3135: 3134: 3045: 3044: 3020:Circadian rhythms 2838:Tense–aspect–mood 2693:Temporal finitism 2570: 2569: 2546:Grandfather clock 2159:978-0-738-16855-5 2106:Grafton, Edward, 2102:Project Gutenberg 2082:Daniels, George, 2062:978-1-439-19008-1 1923:10.1063/1.1149844 1452:Harper, Douglas. 1243: 1242: 1107:Chronometrophilia 999:La Chaux-de-Fonds 987:La Chaux-de-Fonds 968:Cuckooland Museum 960:Guildhall Library 901: 900: 893: 744:as well as their 687:radioactive decay 679:radioluminescence 601:Circannual cycles 597:Circadian rhythms 588: 587: 66:the study of time 3939: 3605:Dominical letter 3536:Equation of time 3499:Marine sandglass 3340: 3334: 3312:Terrestrial Time 3169:Time measurement 3162: 3155: 3148: 3139: 3138: 3125: 3124: 3115: 3114: 3032:Glottochronology 2872: 2871: 2788:Human experience 2648:B-theory of time 2246: 2245: 2190: 2183: 2176: 2167: 2166: 2162: 2137: 2066: 2038: 2035: 2029: 2026: 2017: 2014: 2008: 2005: 1992: 1989: 1983: 1980: 1969: 1966: 1960: 1959: 1957: 1955: 1941: 1935: 1934: 1898: 1892: 1891: 1839: 1833: 1827: 1821: 1818: 1809: 1806: 1800: 1797: 1791: 1788: 1777: 1774: 1768: 1765: 1759: 1756: 1750: 1747: 1738: 1735: 1729: 1726: 1720: 1717: 1706: 1703: 1694: 1691: 1682: 1679: 1673: 1670: 1664: 1658: 1652: 1646: 1640: 1637: 1631: 1628: 1622: 1619: 1610: 1607: 1596: 1595: 1559: 1553: 1552: 1524: 1518: 1512: 1506: 1485: 1484: 1477: 1476: 1470: 1464: 1463: 1449: 1432: 1415: 1408: 1398: 1391: 1369: 1363: 1362: 'measure') 1359: 1352: 1342: 1333: 1320: 1264:Hora (astrology) 1142: 1141: 896: 889: 885: 882: 876: 853: 845: 640:psychophysiology 580: 573: 566: 510: 394:Day of Judgement 227: 213: 212: 70: 67: 64: 61: 58: 3947: 3946: 3942: 3941: 3940: 3938: 3937: 3936: 3907: 3906: 3905: 3900: 3837: 3728: 3695: 3669: 3550: 3450: 3401:Coordinate time 3373:Time in physics 3367: 3341: 3335: 3326: 3198: 3175: 3166: 3136: 3131: 3103: 3094:Time immemorial 3041: 2998: 2959:Coordinate time 2930: 2884:Geological time 2860: 2843:Time management 2806:Generation time 2790: 2782: 2727: 2709: 2629: 2588: 2566: 2454: 2372: 2289: 2282: 2238: 2230: 2199: 2194: 2160: 2135: 2092:Beckett, Edmund 2063: 2047: 2045:Further reading 2042: 2041: 2036: 2032: 2027: 2020: 2015: 2011: 2006: 1995: 1990: 1986: 1981: 1972: 1967: 1963: 1953: 1951: 1943: 1942: 1938: 1899: 1895: 1840: 1836: 1828: 1824: 1819: 1812: 1807: 1803: 1798: 1794: 1789: 1780: 1775: 1771: 1766: 1762: 1757: 1753: 1748: 1741: 1736: 1732: 1727: 1723: 1718: 1709: 1704: 1697: 1692: 1685: 1680: 1676: 1671: 1667: 1659: 1655: 1647: 1643: 1638: 1634: 1629: 1625: 1620: 1613: 1608: 1599: 1560: 1556: 1525: 1521: 1513: 1509: 1503:Perseus Project 1471: 1467: 1450: 1446: 1441: 1436: 1435: 1370: 1366: 1321: 1317: 1312: 1255: 1248: 1193:Factory, works 1140: 1115:– DGC (Germany) 1082: 1042: 928: 922: 897: 886: 880: 877: 866: 854: 843: 760: 754: 711: 655: 625: 593: 584: 555: 554: 530: 529: 520: 519: 515:Time in physics 508: 483: 482: 481: 462: 461: 442: 441: 440: 419: 418: 379: 378: 377: 358: 357: 333: 332: 321: 320: 281: 280: 279:Fields of study 271: 270: 237: 236: 211: 159: 68: 65: 62: 59: 24: 17: 12: 11: 5: 3945: 3935: 3934: 3929: 3924: 3919: 3902: 3901: 3899: 3898: 3893: 3888: 3886:Time metrology 3883: 3878: 3873: 3868: 3863: 3862: 3861: 3851: 3845: 3843: 3842:Related topics 3839: 3838: 3836: 3835: 3830: 3825: 3820: 3815: 3810: 3805: 3800: 3795: 3790: 3785: 3780: 3775: 3770: 3765: 3760: 3755: 3750: 3745: 3739: 3737: 3730: 3729: 3727: 3726: 3721: 3716: 3711: 3705: 3703: 3697: 3696: 3694: 3693: 3688: 3683: 3677: 3675: 3671: 3670: 3668: 3667: 3662: 3657: 3652: 3647: 3642: 3637: 3632: 3627: 3622: 3617: 3612: 3607: 3602: 3597: 3592: 3587: 3581: 3576: 3571: 3566: 3560: 3558: 3552: 3551: 3549: 3548: 3543: 3538: 3533: 3531:Dialing scales 3528: 3523: 3518: 3517: 3516: 3506: 3501: 3496: 3491: 3486: 3481: 3476: 3471: 3466: 3460: 3458: 3452: 3451: 3449: 3448: 3443: 3438: 3433: 3428: 3423: 3418: 3413: 3408: 3403: 3398: 3393: 3388: 3383: 3377: 3375: 3369: 3368: 3366: 3365: 3363:Prime meridian 3360: 3355: 3353:Ephemeris time 3349: 3347: 3343: 3342: 3329: 3327: 3325: 3324: 3322:180th meridian 3319: 3314: 3309: 3304: 3299: 3294: 3289: 3284: 3279: 3274: 3269: 3264: 3259: 3254: 3249: 3244: 3239: 3234: 3229: 3224: 3219: 3218: 3217: 3206: 3204: 3200: 3199: 3197: 3196: 3191: 3186: 3180: 3177: 3176: 3165: 3164: 3157: 3150: 3142: 3133: 3132: 3130: 3129: 3119: 3108: 3105: 3104: 3102: 3101: 3096: 3091: 3086: 3079: 3074: 3069: 3064: 3059: 3053: 3051: 3047: 3046: 3043: 3042: 3040: 3039: 3037:Time geography 3034: 3029: 3027:Clock reaction 3024: 3023: 3022: 3012: 3006: 3004: 3000: 2999: 2997: 2996: 2991: 2986: 2981: 2976: 2971: 2966: 2961: 2956: 2951: 2946: 2940: 2938: 2932: 2931: 2929: 2928: 2923: 2918: 2917: 2916: 2911: 2906: 2901: 2896: 2891: 2880: 2878: 2869: 2862: 2861: 2859: 2858: 2845: 2840: 2835: 2830: 2829: 2828: 2826:time signature 2823: 2813: 2808: 2803: 2797: 2795: 2784: 2783: 2781: 2780: 2779: 2778: 2768: 2767: 2766: 2756: 2751: 2746: 2741: 2736: 2730: 2728: 2726: 2725: 2720: 2714: 2711: 2710: 2708: 2707: 2700: 2698:Temporal parts 2695: 2690: 2685: 2680: 2675: 2670: 2668:Eternal return 2665: 2660: 2655: 2653:Chronocentrism 2650: 2645: 2639: 2637: 2631: 2630: 2628: 2627: 2622: 2617: 2612: 2607: 2602: 2597: 2591: 2589: 2587: 2586: 2581: 2575: 2572: 2571: 2568: 2567: 2565: 2564: 2563: 2562: 2548: 2543: 2538: 2533: 2532: 2531: 2526: 2525: 2524: 2519: 2509: 2504: 2499: 2494: 2493: 2492: 2482: 2481: 2480: 2464: 2462: 2456: 2455: 2453: 2452: 2445: 2440: 2438:Hindu Panchang 2435: 2430: 2425: 2420: 2415: 2410: 2405: 2404: 2403: 2398: 2393: 2382: 2380: 2374: 2373: 2371: 2370: 2365: 2360: 2355: 2350: 2345: 2340: 2335: 2330: 2325: 2320: 2315: 2310: 2305: 2300: 2294: 2292: 2284: 2283: 2281: 2280: 2275: 2270: 2265: 2260: 2254: 2252: 2243: 2232: 2231: 2229: 2228: 2223: 2218: 2213: 2207: 2205: 2201: 2200: 2193: 2192: 2185: 2178: 2170: 2164: 2163: 2158: 2138: 2133: 2113: 2104: 2089: 2080: 2079:FH 1961 - 2012 2069:Berner, G.A., 2067: 2061: 2046: 2043: 2040: 2039: 2030: 2018: 2009: 1993: 1984: 1970: 1961: 1936: 1893: 1834: 1822: 1810: 1801: 1792: 1778: 1769: 1760: 1751: 1739: 1730: 1721: 1707: 1695: 1683: 1674: 1665: 1653: 1641: 1632: 1623: 1611: 1597: 1554: 1519: 1507: 1465: 1443: 1442: 1440: 1437: 1434: 1433: 1364: 1314: 1313: 1311: 1308: 1307: 1306: 1304:Time deviation 1301: 1296: 1291: 1286: 1284:Allan variance 1281: 1276: 1271: 1266: 1261: 1247: 1244: 1241: 1240: 1236: 1232: 1231: 1228: 1224: 1223: 1216: 1210: 1209: 1206: 1202: 1201: 1194: 1190: 1189: 1186: 1182: 1181: 1177: 1173: 1172: 1168: 1162: 1161: 1158:watch movement 1154: 1150: 1149: 1146: 1139: 1136: 1135: 1134: 1128: 1122: 1116: 1110: 1104: 1098: 1092: 1081: 1078: 1041: 1038: 948:British Museum 936:Prime Meridian 921: 918: 899: 898: 857: 855: 848: 842: 839: 753: 750: 738:time standards 714:Time metrology 710: 709:Time metrology 707: 654: 653:Geochronometry 651: 624: 621: 592: 591:Biochronometry 589: 586: 585: 583: 582: 575: 568: 560: 557: 556: 553: 552: 547: 542: 537: 531: 528:Related topics 527: 526: 525: 522: 521: 518: 517: 512: 505: 500: 495: 490: 484: 480: 479: 474: 470: 469: 468: 467: 464: 463: 460: 459: 454: 449: 443: 439: 438: 433: 427: 426: 425: 424: 421: 420: 417: 416: 411: 406: 401: 396: 391: 386: 380: 376: 375: 372: 366: 365: 364: 363: 360: 359: 356: 355: 350: 345: 340: 334: 328: 327: 326: 323: 322: 319: 318: 313: 308: 303: 298: 293: 288: 282: 278: 277: 276: 273: 272: 269: 268: 267: 266: 255: 254: 249: 244: 238: 235:Major concepts 234: 233: 232: 229: 228: 220: 219: 210: 207: 158: 155: 124:time recorders 89:geochronometry 15: 9: 6: 4: 3: 2: 3944: 3933: 3930: 3928: 3925: 3923: 3920: 3918: 3915: 3914: 3912: 3897: 3894: 3892: 3889: 3887: 3884: 3882: 3879: 3877: 3874: 3872: 3869: 3867: 3864: 3860: 3857: 3856: 3855: 3852: 3850: 3847: 3846: 3844: 3840: 3834: 3831: 3829: 3826: 3824: 3821: 3819: 3816: 3814: 3811: 3809: 3806: 3804: 3801: 3799: 3796: 3794: 3791: 3789: 3786: 3784: 3781: 3779: 3776: 3774: 3771: 3769: 3766: 3764: 3761: 3759: 3756: 3754: 3751: 3749: 3746: 3744: 3741: 3740: 3738: 3736: 3735:units of time 3731: 3725: 3724:Sidereal time 3722: 3720: 3717: 3715: 3712: 3710: 3709:Galactic year 3707: 3706: 3704: 3702: 3698: 3692: 3689: 3687: 3684: 3682: 3679: 3678: 3676: 3672: 3666: 3665:Weekday names 3663: 3661: 3658: 3656: 3655:Tropical year 3653: 3651: 3648: 3646: 3643: 3641: 3638: 3636: 3633: 3631: 3628: 3626: 3623: 3621: 3620:Intercalation 3618: 3616: 3613: 3611: 3608: 3606: 3603: 3601: 3598: 3596: 3593: 3591: 3588: 3586:(lunar Hijri) 3585: 3582: 3580: 3577: 3575: 3572: 3570: 3567: 3565: 3562: 3561: 3559: 3557: 3553: 3547: 3544: 3542: 3539: 3537: 3534: 3532: 3529: 3527: 3524: 3522: 3519: 3515: 3512: 3511: 3510: 3507: 3505: 3502: 3500: 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3480: 3477: 3475: 3472: 3470: 3467: 3465: 3462: 3461: 3459: 3457: 3453: 3447: 3444: 3442: 3439: 3437: 3434: 3432: 3429: 3427: 3426:Time dilation 3424: 3422: 3419: 3417: 3414: 3412: 3409: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3387: 3384: 3382: 3379: 3378: 3376: 3374: 3370: 3364: 3361: 3359: 3356: 3354: 3351: 3350: 3348: 3344: 3339: 3333: 3323: 3320: 3318: 3315: 3313: 3310: 3308: 3305: 3303: 3300: 3298: 3295: 3293: 3290: 3288: 3285: 3283: 3280: 3278: 3275: 3273: 3270: 3268: 3265: 3263: 3262:24-hour clock 3260: 3258: 3257:12-hour clock 3255: 3253: 3250: 3248: 3245: 3243: 3240: 3238: 3235: 3233: 3230: 3228: 3225: 3223: 3220: 3216: 3213: 3212: 3211: 3208: 3207: 3205: 3201: 3195: 3192: 3190: 3187: 3185: 3182: 3181: 3178: 3174: 3170: 3163: 3158: 3156: 3151: 3149: 3144: 3143: 3140: 3128: 3120: 3118: 3110: 3109: 3106: 3100: 3097: 3095: 3092: 3090: 3087: 3085: 3084: 3080: 3078: 3075: 3073: 3070: 3068: 3065: 3063: 3060: 3058: 3055: 3054: 3052: 3048: 3038: 3035: 3033: 3030: 3028: 3025: 3021: 3018: 3017: 3016: 3015:Chronobiology 3013: 3011: 3008: 3007: 3005: 3001: 2995: 2992: 2990: 2987: 2985: 2982: 2980: 2977: 2975: 2972: 2970: 2967: 2965: 2962: 2960: 2957: 2955: 2952: 2950: 2949:Arrow of time 2947: 2945: 2942: 2941: 2939: 2937: 2933: 2927: 2924: 2922: 2921:Geochronology 2919: 2915: 2912: 2910: 2907: 2905: 2902: 2900: 2897: 2895: 2892: 2890: 2887: 2886: 2885: 2882: 2881: 2879: 2877: 2873: 2870: 2868: 2863: 2857: 2853: 2849: 2846: 2844: 2841: 2839: 2836: 2834: 2831: 2827: 2824: 2822: 2819: 2818: 2817: 2814: 2812: 2809: 2807: 2804: 2802: 2799: 2798: 2796: 2794: 2789: 2785: 2777: 2774: 2773: 2772: 2771:Wheel of time 2769: 2765: 2762: 2761: 2760: 2757: 2755: 2752: 2750: 2747: 2745: 2742: 2740: 2737: 2735: 2732: 2731: 2729: 2724: 2721: 2719: 2716: 2715: 2712: 2706: 2705: 2701: 2699: 2696: 2694: 2691: 2689: 2686: 2684: 2681: 2679: 2676: 2674: 2671: 2669: 2666: 2664: 2661: 2659: 2656: 2654: 2651: 2649: 2646: 2644: 2641: 2640: 2638: 2636: 2632: 2626: 2623: 2621: 2618: 2616: 2615:Periodization 2613: 2611: 2608: 2606: 2603: 2601: 2598: 2596: 2593: 2592: 2590: 2585: 2582: 2580: 2577: 2576: 2573: 2561: 2560: 2556: 2555: 2554: 2553: 2549: 2547: 2544: 2542: 2541:Digital clock 2539: 2537: 2534: 2530: 2527: 2523: 2520: 2518: 2515: 2514: 2513: 2510: 2508: 2505: 2503: 2500: 2498: 2495: 2491: 2488: 2487: 2486: 2483: 2479: 2476: 2475: 2474: 2471: 2470: 2469: 2466: 2465: 2463: 2461: 2457: 2451: 2450: 2446: 2444: 2441: 2439: 2436: 2434: 2431: 2429: 2426: 2424: 2421: 2419: 2416: 2414: 2411: 2409: 2406: 2402: 2399: 2397: 2394: 2392: 2389: 2388: 2387: 2384: 2383: 2381: 2379: 2375: 2369: 2366: 2364: 2361: 2359: 2356: 2354: 2351: 2349: 2346: 2344: 2341: 2339: 2336: 2334: 2331: 2329: 2326: 2324: 2321: 2319: 2318:Relative hour 2316: 2314: 2313:24-hour clock 2311: 2309: 2308:12-hour clock 2306: 2304: 2301: 2299: 2296: 2295: 2293: 2291: 2285: 2279: 2276: 2274: 2271: 2269: 2266: 2264: 2261: 2259: 2256: 2255: 2253: 2251: 2247: 2244: 2242: 2237: 2233: 2227: 2224: 2222: 2219: 2217: 2214: 2212: 2209: 2208: 2206: 2202: 2198: 2191: 2186: 2184: 2179: 2177: 2172: 2171: 2168: 2161: 2155: 2151: 2147: 2143: 2139: 2136: 2134:0-738-13711-1 2130: 2126: 2122: 2118: 2114: 2111: 2110: 2105: 2103: 2100:, 1903, from 2099: 2098: 2093: 2090: 2087: 2086: 2081: 2078: 2074: 2073: 2068: 2064: 2058: 2054: 2049: 2048: 2034: 2025: 2023: 2013: 2004: 2002: 2000: 1998: 1988: 1979: 1977: 1975: 1965: 1950: 1946: 1940: 1932: 1928: 1924: 1920: 1916: 1912: 1908: 1904: 1897: 1889: 1885: 1881: 1877: 1873: 1869: 1865: 1861: 1857: 1853: 1849: 1845: 1838: 1832: 1826: 1817: 1815: 1805: 1796: 1787: 1785: 1783: 1773: 1764: 1755: 1746: 1744: 1734: 1725: 1716: 1714: 1712: 1702: 1700: 1690: 1688: 1678: 1669: 1663: 1657: 1651: 1645: 1636: 1627: 1618: 1616: 1606: 1604: 1602: 1593: 1589: 1585: 1581: 1577: 1573: 1569: 1565: 1558: 1550: 1546: 1542: 1538: 1534: 1530: 1529:NCSLI Measure 1523: 1516: 1511: 1504: 1500: 1499: 1494: 1493:Scott, Robert 1490: 1486: 1478: 1469: 1461: 1460: 1455: 1448: 1444: 1430: 1429: 1425:, and suffix 1424: 1421: 1417: 1414: 1407: 1403: 1400: 1397: 1390: 1386: 1383: 1382:Ancient Greek 1379: 1378: 1374: 1368: 1361: 1358: 1351: 1347: 1344: 1341: 1340: 1332: 1328: 1325: 1324:Ancient Greek 1319: 1315: 1305: 1302: 1300: 1297: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1256: 1253: 1237: 1234: 1233: 1229: 1226: 1225: 1221: 1217: 1215: 1212: 1211: 1207: 1204: 1203: 1199: 1195: 1192: 1191: 1187: 1184: 1183: 1178: 1175: 1174: 1169: 1167: 1164: 1163: 1159: 1155: 1152: 1151: 1147: 1144: 1143: 1132: 1129: 1126: 1123: 1120: 1117: 1114: 1111: 1109:(Switzerland) 1108: 1105: 1102: 1099: 1096: 1093: 1090: 1087: 1086: 1085: 1080:Organizations 1077: 1075: 1071: 1067: 1063: 1059: 1055: 1051: 1047: 1040:North America 1037: 1035: 1031: 1027: 1023: 1019: 1015: 1011: 1006: 1004: 1000: 996: 992: 988: 984: 979: 977: 976:cuckoo clocks 973: 969: 965: 961: 957: 953: 949: 945: 941: 940:John Harrison 937: 933: 927: 914: 910: 905: 895: 892: 884: 881:December 2009 874: 870: 864: 863: 858:This section 856: 852: 847: 846: 838: 836: 832: 828: 824: 820: 816: 812: 806: 803: 799: 795: 790: 781: 777: 773: 769: 766: 759: 749: 747: 746:dissemination 743: 739: 735: 731: 727: 723: 719: 715: 706: 702: 694: 690: 688: 684: 680: 676: 670: 668: 664: 660: 659:geochronology 650: 648: 643: 641: 637: 633: 629: 620: 616: 608: 604: 602: 598: 581: 576: 574: 569: 567: 562: 561: 559: 558: 551: 548: 546: 543: 541: 538: 536: 533: 532: 524: 523: 516: 513: 511: 506: 504: 501: 499: 496: 494: 491: 489: 488:Chronobiology 486: 485: 478: 475: 472: 471: 466: 465: 458: 455: 453: 450: 448: 445: 444: 437: 434: 432: 429: 428: 423: 422: 415: 412: 410: 409:Reincarnation 407: 405: 402: 400: 397: 395: 392: 390: 387: 385: 382: 381: 373: 371: 368: 367: 362: 361: 354: 351: 349: 346: 344: 341: 339: 336: 335: 331: 325: 324: 317: 314: 312: 309: 307: 304: 302: 299: 297: 294: 292: 289: 287: 284: 283: 275: 274: 265: 262: 261: 260: 257: 256: 253: 250: 248: 245: 243: 240: 239: 231: 230: 226: 222: 221: 218: 215: 214: 206: 202: 200: 196: 190: 188: 183: 174: 170: 166: 164: 163:Ancient Greek 154: 152: 151:atomic clocks 148: 143: 141: 137: 133: 132:atomic clocks 129: 125: 121: 117: 113: 109: 105: 101: 97: 92: 90: 86: 82: 78: 74: 54: 50: 42: 35: 30: 26: 22: 3871:Decimal time 3600:Astronomical 3479:Complication 3474:Atomic clock 3183: 3089:Time capsule 3083:Tempus fugit 3081: 3003:Other fields 2702: 2683:Perdurantism 2605:Calendar era 2557: 2550: 2536:Cuckoo clock 2473:astronomical 2447: 2273:Unit of time 2249: 2204:Key concepts 2141: 2116: 2108: 2096: 2084: 2071: 2052: 2033: 2012: 1987: 1964: 1952:. Retrieved 1948: 1939: 1906: 1902: 1896: 1847: 1843: 1837: 1825: 1804: 1795: 1772: 1763: 1754: 1733: 1724: 1677: 1668: 1656: 1644: 1635: 1626: 1567: 1563: 1557: 1532: 1528: 1522: 1514: 1510: 1496: 1468: 1457: 1447: 1426: 1422: 1412: 1409: 1402: 1395: 1392: 1385: 1367: 1356: 1353: 1346: 1337: 1334: 1327: 1318: 1197: 1185:Établisseur 1176:Établissage 1148:Explanation 1083: 1043: 1034:Black Forest 1007: 980: 929: 887: 878: 867:Please help 862:verification 859: 807: 786: 774: 770: 761: 717: 713: 712: 703: 699: 671: 663:stratigraphy 656: 644: 626: 617: 613: 594: 430: 311:Paleontology 264:of the world 203: 191: 179: 167: 160: 144: 139: 93: 84: 80: 52: 48: 47: 25: 3932:Timekeeping 3881:System time 3876:Metric time 3595:Solar Hijri 3521:Water clock 3504:Radio clock 3436:Time domain 3416:Proper time 3302:Leap second 3184:Chronometry 3099:Time travel 3077:System time 2984:Time domain 2969:Proper time 2793:use of time 2764:Father Time 2744:Immortality 2734:Ages of Man 2663:Endurantism 2620:Regnal year 2600:Big History 2529:water-based 2428:Solar Hijri 2338:Hexadecimal 2288:Measurement 2250:Chronometry 2236:Measurement 2085:Watchmaking 1380:; from 1371:Related to 1289:Clock drift 1131:UK Horology 1008:In France, 550:Time travel 457:Hexadecimal 431:Measurement 399:Immortality 286:Archaeology 147:Paleolithic 140:horologists 136:instruments 112:hourglasses 85:chronometry 77:timekeeping 49:Chronometry 3911:Categories 3896:Timekeeper 3849:Chronology 3833:Millennium 3719:Precession 3625:Julian day 3446:T-symmetry 3307:Solar time 3277:Civil time 2801:Chronemics 2776:Kalachakra 2688:Presentism 2673:Eternalism 2579:Chronology 2517:mechanical 2468:Main types 2386:Main types 1954:26 January 1564:Metrologia 1454:"horology" 1439:References 1396:hōrológion 1377:horologium 1322:(from 1235:Termineur 1227:Terminage 1220:mainspring 1214:Remontoire 1052:, and the 954:, and the 924:See also: 756:See also: 632:perception 477:Naturalism 414:Kalachakra 343:Eternalism 338:Presentism 330:Philosophy 316:Futurology 291:Chronology 116:clepsydras 21:Chronology 3927:Metrology 3922:Frequency 3793:Fortnight 3640:Lunisolar 3630:Leap year 3564:Gregorian 3514:stopwatch 3489:Hourglass 3469:Astrarium 3386:Spacetime 3317:Time zone 3194:Metrology 3173:standards 3057:Leap year 2974:Spacetime 2848:Yesterday 2749:Dreamtime 2723:Mythology 2610:Deep time 2522:stopwatch 2497:hourglass 2478:astrarium 2408:Gregorian 2401:Lunisolar 2378:Calendars 2368:Time zone 2241:standards 1931:0034-6748 1872:1364-503X 1592:122631200 1549:114607028 1475:ὡρολόγιον 1389:ὡρολόγιον 1032:, in the 1001:, and at 796:, united 765:melatonin 722:metrology 545:Spacetime 498:Evolution 493:Cosmogony 436:Standards 404:Afterlife 374:Mythology 306:Metrology 209:Subfields 157:Etymology 104:clockwork 34:hourglass 3854:Duration 3828:Saeculum 3808:Olympiad 3650:Solstice 3579:Holocene 3556:Calendar 3456:Horology 3247:ISO 8601 3242:ISO 31-1 3117:Category 2865:Time in 2856:Tomorrow 2718:Religion 2658:Duration 2625:Timeline 2559:Timeline 2358:Sidereal 2226:Eternity 1888:20446647 1880:16147510 1420:interfix 1246:See also 1153:Chablon 1138:Glossary 1022:Portugal 1010:Besançon 1003:Le Locle 972:Cheshire 915:, Mexico 909:Zacatlán 835:Tzolkʼin 827:Nephthys 447:ISO 8601 389:End time 384:Creation 370:Religion 353:Fatalism 301:Horology 259:Eternity 108:sundials 81:Horology 53:horology 3823:Century 3813:Lustrum 3743:Instant 3615:Equinox 3584:Islamic 3526:Sundial 3391:Chronon 3127:Commons 3050:Related 2964:Instant 2954:Chronon 2936:Physics 2876:Geology 2867:science 2739:Destiny 2584:History 2552:History 2507:sundial 2490:quantum 2433:Chinese 2423:Islamic 2333:Decimal 2328:Chinese 2290:systems 2216:Present 1911:Bibcode 1852:Bibcode 1572:Bibcode 1501:at the 1339:khrónos 1166:Ébauche 752:History 732:as the 473:Science 296:History 247:Present 182:Chronos 100:watches 60:  3818:Decade 3773:Moment 3768:Minute 3763:Second 3733:Other 3590:Julian 3569:Hebrew 3215:offset 3067:Moment 3062:Memory 2914:period 2502:marine 2485:atomic 2460:Clocks 2418:Hebrew 2413:Julian 2348:Metric 2221:Future 2156:  2131:  2059:  1929:  1886:  1878:  1870:  1590:  1547:  1517:, 1913 1357:métron 1350:μέτρον 1331:χρόνος 958:. The 950:, the 920:Europe 913:Puebla 823:Osiris 802:Sirius 730:second 535:Motion 452:Metric 252:Future 187:Kairos 130:, and 120:timers 96:clocks 3859:music 3798:Month 3758:Jiffy 3753:Shake 3748:Flick 3645:Solar 3635:Lunar 3610:Epact 3574:Hindu 3509:Watch 3464:Clock 3072:Space 2904:epoch 2894:chron 2852:Today 2821:tempo 2816:Music 2678:Event 2512:watch 2396:Lunar 2391:Solar 2363:Solar 2353:Roman 2343:Hindu 1884:S2CID 1588:S2CID 1545:S2CID 1428:-logy 1384: 1373:Latin 1326: 1310:Notes 1020:, in 1018:Évora 1014:Serpa 985:, in 811:Horus 794:Menes 540:Space 348:Event 195:Homer 3917:Time 3803:Year 3788:Week 3778:Hour 3232:DUT1 3171:and 2791:and 2754:Kāla 2449:List 2443:Maya 2239:and 2211:Past 2197:Time 2154:ISBN 2129:ISBN 2057:ISBN 1956:2021 1949:BIPM 1927:ISSN 1876:PMID 1868:ISSN 1413:hṓra 1145:Term 1016:and 831:Maya 825:and 815:Isis 740:and 681:and 661:and 599:and 242:Past 217:Time 75:and 73:time 57:lit. 32:The 3783:Day 2909:era 2899:eon 2889:age 2268:TAI 2258:UTC 2146:doi 2121:doi 1919:doi 1860:doi 1848:363 1580:doi 1537:doi 1483:ὥρα 1423:-o- 1406:ὥρα 1072:in 1064:in 1056:in 1048:in 1028:in 970:in 871:by 819:Set 716:or 683:ESR 91:). 51:or 3913:: 3227:ΔT 3222:UT 2854:– 2850:– 2263:UT 2152:, 2127:, 2094:, 2075:, 2021:^ 1996:^ 1973:^ 1947:. 1925:. 1917:. 1907:70 1905:. 1882:. 1874:. 1866:. 1858:. 1846:. 1813:^ 1781:^ 1742:^ 1710:^ 1698:^ 1686:^ 1614:^ 1600:^ 1586:. 1578:. 1568:42 1566:. 1543:. 1531:. 1495:; 1491:; 1487:. 1479:, 1456:. 1222:. 1076:. 1005:. 978:. 911:, 829:. 821:, 817:, 813:, 748:. 677:, 126:, 122:, 118:, 114:, 110:, 106:, 102:, 98:, 3161:e 3154:t 3147:v 2189:e 2182:t 2175:v 2148:: 2123:: 2065:. 1958:. 1933:. 1921:: 1913:: 1890:. 1862:: 1854:: 1594:. 1582:: 1574:: 1551:. 1539:: 1533:2 1505:. 1462:. 1431:) 1416:) 1410:( 1399:) 1393:( 1360:) 1354:( 1343:) 1335:( 1254:. 894:) 888:( 883:) 879:( 865:. 579:e 572:t 565:v 69:' 63:' 55:( 23:.

Index

Chronology

hourglass

time
timekeeping
geochronometry
clocks
watches
clockwork
sundials
hourglasses
clepsydras
timers
time recorders
marine chronometers
atomic clocks
instruments
Paleolithic
atomic clocks
Ancient Greek

Chronos
Kairos
Homer
Christian theology
Time

Past
Present

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