914:
908:
65:; the second decade of life starts with their 11th year of life (during which one is typically still referred to as being "10") and ends at the end of their 20th year of life, on their 20th birthday; similarly, the third decade of life, when one is in one's twenties or 20s, starts with the 21st year of life, and so on, with subsequent decades of life similarly described by referencing the tens digit of one's age.
162:]; "The last decade of that century"; "1st decade of the 16th century"; "third decade of the 16th century"; "the first decade of the 18th century". This decade grouping may also be identified explicitly; for example, "1961â1970"; "2001â2010"; "2021â2030". The BC calendar era ended with the year 1
73:
The most widely used method for denominating decades is to group years based on their shared tens digit, from a year ending in a 0 to a year ending in a 9 – for example, the period from 1960 to 1969 is the 1960s, and the period from 1970 to 1979 is the 1970s. Sometimes, only the tens
689:
There are two ways of thinking about when a century begins and ends. The "strict" viewpoint counts centuries from â01 to â00, while the "popular" viewpoint counts centuries from â00 to â99. For example, the "first decade of the 19th century" may mean either 1801â1810 (if used in "strict" terms) or
151:
to produce successive decades from a year ending in a 1 to a year ending in a 0, with the years 1â10 described as "the 1st decade", years 11â20 "the 2nd decade", and so on; later decades are more usually described as 'the st, nd, rd, or th decade of the st, nd, rd, or th century' (using the
337:
poll was conducted on
December 2, 2019, asking 13,582 adults in the United States, "When do you think the next decade will begin and end?" Results showed that 64% answered that "the next decade" would begin on January 1, 2020, and end on December 31, 2029
61:'s life without regard to which calendar years are encompassed. Also, 'the first decade' of a person's life begins on the day of their birth and ends at the end of their 10th year of life when they have their 10th
57:
Any period of ten years is a "decade". For example, the statement that "during his last decade, Mozart explored chromatic harmony to a degree rare at the time" merely refers to the last ten years of
812:
735:
499:
485:
456:
728:
655:"In recent years, there has been debate around when a decade begins and ends. When do you think the next decade will begin and end?"
107:
Referring to ten-year periods as decades in this way only became common in the late 19th century. Particularly in the 20th century,
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45:. Decades may describe any ten-year period, such as those of a person's life, or refer to specific groupings of
1059:
507:
1240:
131:). This practice is occasionally also applied to decades of earlier centuries; for example, referencing the
342:
method); 17% answered that "the next decade" would begin on
January 1, 2021, and end on December 31, 2030 (
100:
is meant. However, this method of grouping decades cannot be applied to the decade immediately preceding AD
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530:"Illuminated Manuscripts from the Collection of Maurice Burrus (1882â1959)"
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136:
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148:
1471:
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1408:
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111:
decades came to be referred to with associated nicknames, such as the "
1368:
1205:
1089:
1064:
1044:
961:
913:
907:
892:
420:"Now We're Past the, Uh, First Decade, What Do We Call the Next One"
1403:
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1131:
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555:"French harpsichord music in the first decade of the 18th century"
1398:
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1101:
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156:). For example, "the second decad of the 12th. Cent." [
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International Earth
Rotation and Reference Systems Service
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147:
A rarer approach groups years from the beginning of the
271:
166:
BC and the AD calendar era began the following year, AD
472:
The
Compact Edition of the Oxford English Dictionary
469:
443:
The
Compact Edition of the Oxford English Dictionary
96:), although this may leave it ambiguous as to which
743:
328:
1484:
729:
346:method); 19% replied that they did not know.
690:1800â1809 (if used in "popular" terms). See
484:: CS1 maint: numeric names: authors list (
455:: CS1 maint: numeric names: authors list (
41: 'a group of ten') is a period of ten
736:
722:
1267:International Commission on Stratigraphy
1485:
683:
500:"Catalogue of Illuminated Manuscripts"
717:
422:. Learning English. 20 January 2010
13:
154:strict interpretation of 'century'
14:
1514:
987:Discrete time and continuous time
701:
441:1837 HALLAM Hist. Lit. I. i. 19.
104:10, because there was no year 0.
912:
906:
580:"Past Poets Laureate: 1961â1970"
142:
68:
647:
622:
597:
329:Public usage of the two methods
322:3rd decade of the 21st century
319:2nd decade of the 21st century
316:1st decade of the 21st century
1060:History of timekeeping devices
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310:2nd decade of the 1st century
307:1st decade of the 1st century
1:
376:
7:
1007:Gravitational time dilation
843:Barycentric Coordinate Time
630:"Solar Eclipses: 2021â2030"
349:
10:
1519:
863:Geocentric Coordinate Time
848:Barycentric Dynamical Time
786:Coordinated Universal Time
470:1878 DOWDEN Stud. Lit. I.
119:), the "Warring Forties" (
18:
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1017:Time-translation symmetry
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828:International Atomic Time
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139:" or "Naughty Nineties".
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170:1. There was no year 0.
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1277:Astronomical chronology
1250:Archaeology and geology
957:Absolute space and time
873:IERS Reference Meridian
868:International Date Line
779:International standards
584:The Library of Congress
174:Usage methods compared
59:Wolfgang Amadeus Mozart
21:Decade (disambiguation)
605:"Milestones 2001â2010"
397:. 2020. Archived from
1236:Weekday determination
1122:Sundial markup schema
710:from Etymology Online
694:for more information.
1257:Chronological dating
997:Theory of relativity
858:Daylight saving time
401:on December 30, 2019
19:For other uses, see
1467:Time value of money
1262:Geologic time scale
1117:History of sundials
982:Cosmological decade
934:Greenwich Mean Time
765:Orders of magnitude
175:
74:part is mentioned (
1503:Periodic phenomena
1442:Mental chronometry
1070:Marine chronometer
922:Obsolete standards
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16:Period of 10 years
1480:
1479:
1290:Nuclear timescale
972:Continuous signal
326:
325:
1510:
1181:Dominical letter
1112:Equation of time
1075:Marine sandglass
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888:Terrestrial Time
745:Time measurement
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113:Roaring Twenties
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949:Time in physics
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936:
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47:calendar years
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1493:Units of time
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1311:units of time
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1231:Tropical year
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1162:(lunar Hijri)
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84:
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69:0-to-9 decade
66:
64:
60:
50:
48:
44:
40:
36:
33:
32:Ancient Greek
29:
22:
1447:Decimal time
1393:
1176:Astronomical
1055:Complication
1050:Atomic clock
685:
662:. Retrieved
658:
649:
637:. Retrieved
633:
624:
612:. Retrieved
608:
599:
587:. Retrieved
583:
574:
562:. Retrieved
558:
549:
537:. Retrieved
533:
524:
512:. Retrieved
508:the original
503:
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471:
465:
442:
436:
424:. Retrieved
414:
403:. Retrieved
399:the original
394:
385:
343:
339:
332:
157:
146:
137:Gay Nineties
123:), and the "
108:
106:
93:
86:
82:
75:
72:
56:
38:
35:
27:
25:
1457:System time
1452:Metric time
1171:Solar Hijri
1097:Water clock
1080:Radio clock
1012:Time domain
992:Proper time
878:Leap second
760:Chronometry
664:21 December
639:24 February
614:24 February
589:24 February
564:24 February
539:24 February
514:24 February
1487:Categories
1472:Timekeeper
1425:Chronology
1409:Millennium
1295:Precession
1201:Julian day
1022:T-symmetry
883:Solar time
853:Civil time
708:Definition
534:CHRISTIE'S
405:2020-02-26
377:References
366:Millennium
30:(from
1369:Fortnight
1216:Lunisolar
1206:Leap year
1140:Gregorian
1090:stopwatch
1065:Hourglass
1045:Astrarium
962:Spacetime
893:Time zone
770:Metrology
749:standards
480:cite book
451:cite book
426:2 January
94:seventies
1430:Duration
1404:Saeculum
1384:Olympiad
1226:Solstice
1155:Holocene
1132:Calendar
1032:Horology
823:ISO 8601
818:ISO 31-1
391:"Decade"
350:See also
135:as the "
63:birthday
1498:Decades
1399:Century
1389:Lustrum
1319:Instant
1191:Equinox
1160:Islamic
1102:Sundial
967:Chronon
692:century
361:Century
98:century
83:sixties
39:(dekas)
1394:Decade
1349:Moment
1344:Minute
1339:Second
1309:Other
1166:Julian
1145:Hebrew
791:offset
659:YouGov
395:Lexico
344:1-to-0
340:0-to-9
335:YouGov
168:
164:
109:0-to-9
102:
85:, and
28:decade
1435:music
1374:Month
1334:Jiffy
1329:Shake
1324:Flick
1221:Solar
1211:Lunar
1186:Epact
1150:Hindu
1085:Watch
1040:Clock
677:Notes
295:2020s
290:2010s
285:2000s
263:2030
260:2029
254:2022
251:2021
248:2020
245:2019
239:2012
236:2011
233:2010
230:2009
224:2002
221:2001
218:2000
179:Year
133:1890s
129:1960s
121:1940s
117:1920s
88:'
77:'
53:Usage
43:years
37:ΎΔÎșÎŹÏ
34:
1379:Year
1364:Week
1354:Hour
808:DUT1
747:and
666:2019
641:2020
634:NASA
616:2020
591:2020
566:2020
541:2020
516:2020
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