2490:
2484:
608:
545:
452:
303:
2275:
66:
2265:
25:
1028:
168:
274:, or Sothisâin the eastern sky, which coincided with the annual flooding of the Nile River. They constructed a calendar of 365 days, consisting of 12 months of 30 days each, with 5 days added at the yearâs end. The Egyptiansâ failure to account for the extra fraction of a day, however, caused their calendar to drift gradually into error.
641:
may be regarded as solar calendars, although their dates additionally indicate the moon phase. Typical lunisolar calendars have years marked with a whole number of lunar months, so they can not indicate the position of Earth relative to the Sun with the same accuracy as a purely solar calendar.
500:
Leaping from one lunation to another, but one
Sidereal year is the period between two occurrences of the sun, as measured by the stars' solar calendar, which is derived from the Earth's orbit around the sun every 28 years.
290:. They both have a year of 365 days, which is extended to 366 once every four years, without exception, so have a mean year of 365.25 days. As solar calendars became more accurate, they evolved into two types.
429:
and sets its intercalary days so that the following year also begins on the vernal equinox. The moment of the vernal equinox in the northern hemisphere is determined using the location of
1010:
Steve
Howland. (2024). The EartHeaven Calendar : A white paper presenting a fixed calendar solution for the next 2100 years of this Aquarian Age. Ampers& Studio, Publisher.
2388:
815:
2311:
700:
715:
675:
1860:
186:
1507:
983:
Helen R. Jacobus. (2014). Zodiac
Calendars in the Dead Sea Scrolls and Their ReceptionâŻ: Ancient Astronomy and Astrology in Early Judaism. Brill
270:
The
Egyptians appear to have been the first to develop a solar calendar, using as a fixed point the annual sunrise reappearance of the Dog Starâ
3633:
3309:
2304:
2125:
587:
calendar, which follows a 260-day cycle, has no year, therefore it is not a solar calendar. Also, any calendar synchronized only to the
2842:
2297:
820:
130:
3080:
2811:
1652:
102:
1065:
3427:
1943:
745:
255:, widely accepted as a standard in the world, is an example of a solar calendar. The main other types of calendar are
109:
3628:
3224:
2562:
410:
Every one of these calendars has a year of 365 days, which is occasionally extended by adding an extra day to form a
222:
204:
149:
52:
1001:
Denis Feeney. (2007). Caesar's
CalendarâŻ: Ancient Time and the Beginnings of History. University of California Press
528:
was also a sidereal calendar. They are calculated on the basis of the apparent motion of the Sun through the twelve
3264:
1602:
1032:
964:
482:
If the position of the Earth (see above) is reckoned with respect to the fixed stars, then the dates indicate the
83:
38:
116:
2635:
87:
3674:
3422:
2816:
3417:
1948:
1886:
1679:
760:
98:
3607:
3477:
2771:
2751:
2697:
2582:
2418:
1786:
1114:
1038:
665:
415:
3817:
3797:
2438:
2423:
2361:
2340:
2120:
1925:
1761:
1270:
735:
3807:
3779:
3612:
3391:
2592:
2403:
1890:
619:
556:
463:
337:, the point at which the orbit crosses the celestial equator, then its dates accurately indicate the
314:
3925:
3874:
3073:
1823:
1366:
1307:
755:
403:
3812:
3762:
3549:
3396:
2852:
2630:
2532:
2448:
2443:
1771:
1640:
1058:
850:
76:
1203:
583:
and has a year, whose start drifts through the seasons and so is not a solar calendar. The Maya
422:
3712:
3513:
3259:
3158:
1597:
1221:
483:
2207:
3314:
3005:
2236:
2231:
2224:
1998:
1460:
992:
Leofranc
Holford-Strevens. (2005). The History of Time: A Very Short Introduction. OUP Oxford
905:
825:
780:
670:
123:
3747:
3688:
3664:
3659:
2832:
2746:
2572:
2433:
2105:
1988:
1813:
1721:
1339:
1233:
1149:
865:
835:
8:
3774:
3669:
3587:
3577:
3352:
3269:
3249:
3239:
3066:
3042:
2837:
2692:
2557:
2509:
2187:
1958:
1920:
1756:
1706:
1556:
1534:
1529:
1475:
1405:
1373:
943:
890:
845:
800:
765:
730:
710:
521:
365:
333:
If the position of the Earth in its orbit around the Sun is reckoned with respect to the
248:
44:
2378:
182:
3899:
3879:
3757:
3742:
3727:
3649:
3448:
3412:
3214:
3017:
2791:
2715:
2645:
2278:
2095:
1993:
1716:
1694:
1659:
1630:
1435:
1415:
1134:
1129:
1093:
1051:
938:
928:
790:
740:
725:
695:
638:
517:
384:
361:
260:
252:
267:. The months of the Gregorian calendar do not correspond to cycles of the Moon phase.
3707:
3503:
3498:
3342:
3178:
2865:
2730:
2547:
2268:
2135:
2130:
1876:
1828:
1766:
1746:
1561:
1512:
1482:
1420:
1383:
1378:
1324:
1287:
1228:
1198:
1193:
1188:
1119:
933:
918:
810:
775:
750:
680:
660:
655:
395:
3904:
3853:
3769:
3717:
3493:
3471:
3337:
3234:
3010:
2756:
2735:
2687:
2650:
2463:
2115:
1855:
1845:
1741:
1546:
1541:
1470:
1430:
1410:
1400:
1356:
1282:
1260:
1255:
1250:
1216:
1144:
1124:
875:
576:
513:
389:
378:
3837:
3802:
3789:
3752:
3699:
3557:
3452:
3386:
3347:
3184:
2741:
2720:
2552:
2524:
2289:
2145:
2140:
2071:
1935:
1900:
1850:
1808:
1726:
1711:
1647:
1635:
1625:
1571:
1502:
1492:
1425:
1388:
1329:
1292:
1245:
1240:
870:
795:
785:
770:
705:
690:
685:
287:
283:
1699:
3737:
3535:
3523:
3467:
3456:
3381:
3304:
3229:
3037:
2786:
2725:
2682:
2514:
2504:
2473:
2373:
2345:
2110:
1968:
1833:
1818:
1776:
1751:
1689:
1684:
1607:
1592:
1566:
1519:
1497:
1487:
1393:
1361:
1346:
1314:
1297:
1265:
1139:
1088:
923:
900:
885:
860:
855:
840:
588:
580:
525:
509:
505:
256:
1039:
Correspondence between Hebrew and
Islamic calendars, months and holidays (pdf)
650:
The following is a list of current, historical, and proposed solar calendars:
529:
3919:
3654:
3572:
3567:
3518:
3508:
3148:
2924:
2875:
2860:
2806:
2577:
2413:
2408:
2324:
1838:
1791:
1781:
1736:
1731:
1576:
1551:
1524:
1465:
1448:
1319:
1302:
1183:
1154:
895:
805:
494:
442:
426:
357:
2219:
3732:
3530:
3244:
3219:
3204:
3170:
3130:
3022:
2909:
2904:
2899:
2886:
2625:
2175:
2150:
2025:
1953:
1443:
830:
720:
3432:
3329:
3291:
3274:
3209:
3190:
3123:
3103:
3032:
3027:
2672:
2655:
2587:
2567:
2453:
2335:
2155:
2081:
2050:
2045:
1963:
1453:
880:
342:
1801:
607:
544:
451:
302:
3199:
3194:
3089:
3047:
3000:
2984:
2870:
2776:
2597:
2458:
2428:
2366:
2170:
2165:
2100:
2090:
2085:
1910:
1275:
264:
3889:
3869:
3602:
3562:
3299:
3108:
2944:
2781:
2665:
2640:
2620:
2537:
2489:
2483:
2468:
2248:
2212:
2180:
2076:
2055:
2035:
1159:
486:
near which the Sun can be found. A calendar of this type is called a
425:, another example of a solar calendar, always begins the year on the
411:
65:
3884:
3722:
3366:
3279:
2979:
2959:
2801:
2707:
2607:
2398:
2393:
2243:
2040:
1074:
240:
1796:
3894:
3118:
3113:
2974:
2964:
2894:
2766:
2677:
2542:
584:
334:
2969:
2919:
2914:
1027:
433:"by means of astronomical computations from reliable sources".
430:
356:
calendar year of such a calendar approximates some form of the
338:
271:
244:
962:
3319:
3058:
2949:
2761:
2660:
2615:
2030:
592:
1043:
3253:
3135:
2954:
2939:
2929:
2383:
2320:
2160:
493:
The mean calendar year of such a calendar approximates the
2389:
International Earth
Rotation and Reference Systems Service
3153:
2934:
16:
Calendar based on the seasons or apparent sun position
1011:
3634:
Global
Boundary Stratotype Section and Point (GSSP)
177:
may be too technical for most readers to understand
90:. Unsourced material may be challenged and removed.
2319:
3917:
532:rather than the tropical movement of the Earth.
381:(National and official calendar in Bangladesh)
3074:
2305:
1059:
963:The Universal House of Justice (2014-07-10).
371:The following are tropical solar calendars:
436:
293:
53:Learn how and when to remove these messages
3081:
3067:
2312:
2298:
2264:
1066:
1052:
645:
341:, that is, they are synchronized with the
418:", the inserted day being "intercalary".
223:Learn how and when to remove this message
205:Learn how and when to remove this message
189:, without removing the technical details.
150:Learn how and when to remove this message
3629:Global Standard Stratigraphic Age (GSSA)
2843:International Commission on Stratigraphy
345:of the Sun. Such a calendar is called a
282:The oldest solar calendars include the
263:, whose months correspond to cycles of
3918:
598:
535:
3062:
2293:
1047:
187:make it understandable to non-experts
602:
539:
446:
297:
247:or almost equivalently the apparent
161:
88:adding citations to reliable sources
59:
18:
956:
13:
3428:Adoption of the Gregorian calendar
520:are sidereal solar calendars. The
14:
3937:
2563:Discrete time and continuous time
1020:
34:This article has multiple issues.
2488:
2482:
2274:
2273:
2263:
1026:
606:
543:
450:
301:
166:
64:
23:
3310:English and British regnal year
2126:English and British regnal year
75:needs additional citations for
42:or discuss these issues on the
3088:
2636:History of timekeeping devices
1004:
995:
986:
977:
746:Hanke-Henry Permanent Calendar
1:
3423:Old Style and New Style dates
1073:
965:"To the BahĂĄ'Ăs of the World"
949:
3375:Pre-Julian / Julian
761:International Fixed Calendar
7:
3608:Geological history of Earth
3478:Astronomical year numbering
2583:Gravitational time dilation
2419:Barycentric Coordinate Time
912:
666:Astronomical year numbering
277:
251:relative to the stars. The
10:
3942:
2439:Geocentric Coordinate Time
2424:Barycentric Dynamical Time
2362:Coordinated Universal Time
736:French Republican Calendar
504:Indian calendars like the
440:
3862:
3846:
3830:
3788:
3780:Thermoluminescence dating
3698:
3687:
3675:Samariumâneodymium dating
3642:
3621:
3595:
3586:
3548:
3486:
3441:
3405:
3374:
3365:
3328:
3290:
3169:
3144:
3096:
2993:
2884:
2851:
2825:
2706:
2606:
2593:Time-translation symmetry
2523:
2497:
2480:
2404:International Atomic Time
2354:
2331:
2259:
2200:
2064:
2018:
2007:
1977:
1934:
1869:
1672:
1618:
1585:
1179:
1168:
1107:
1081:
375:Ancient Armenian calendar
243:whose dates indicate the
3494:Chinese sexagenary cycle
816:Original Julian calendar
756:Indian national calendar
437:Sidereal solar calendars
404:Indian national calendar
294:Tropical solar calendars
3708:Amino acid racemisation
2853:Astronomical chronology
2826:Archaeology and geology
2533:Absolute space and time
2449:IERS Reference Meridian
2444:International Date Line
2355:International standards
1194:Assamese (BhÄshkarÄbda)
851:Revised Julian calendar
646:List of solar calendars
488:sidereal solar calendar
347:tropical solar calendar
3713:Archaeomagnetic dating
3225:Era of Caesar (Iberia)
2225:Dungeons & Dragons
1631:Ethiopian and Eritrean
811:Old Icelandic calendar
484:zodiacal constellation
3613:Geological time units
2812:Weekday determination
2698:Sundial markup schema
2237:The Lord of the Rings
1944:HankeâHenry Permanent
906:World Season Calendar
826:Pataphysical calendar
441:Further information:
360:, usually either the
3665:Law of superposition
3660:Isotope geochemistry
2833:Chronological dating
2573:Theory of relativity
2434:Daylight saving time
1035:at Wikimedia Commons
866:Solar Hijri calendar
836:Pentecontad calendar
595:would not be solar.
526:Hindu solar calendar
352:The duration of the
84:improve this article
3798:Fluorine absorption
3775:Luminescence dating
3670:Luminescence dating
3578:Milankovitch cycles
3418:Proleptic Gregorian
3250:Hindu units of time
3043:Time value of money
2838:Geologic time scale
2693:History of sundials
2558:Cosmological decade
2510:Greenwich Mean Time
2341:Orders of magnitude
1949:International Fixed
1887:Proleptic Gregorian
1508:Slavic Native Faith
944:Daytime (astronomy)
891:Thai solar calendar
846:Positivist calendar
801:Nanakshahi calendar
766:Invariable Calendar
731:Florentine calendar
716:EartHeaven calendar
711:Discordian calendar
639:Lunisolar calendars
599:Lunisolar calendars
536:Non-solar calendars
522:Thai solar calendar
414:, a method called "
398:(Tabarian calendar)
366:vernal equinox year
249:position of the Sun
3900:Terminus post quem
3880:Synchronoptic view
3847:Linguistic methods
3808:Obsidian hydration
3743:Radiometric dating
3728:Incremental dating
3650:Chronostratigraphy
3018:Mental chronometry
2646:Marine chronometer
2498:Obsolete standards
1619:Christian variants
939:Astronomical clock
929:Lunisolar calendar
791:Malayalam calendar
781:Juche era calendar
741:Gregorian calendar
726:Ethiopian calendar
696:Byzantine calendar
618:. You can help by
555:. You can help by
524:when based on the
518:Malayalam calendar
462:. You can help by
392:(JalÄli calendar)
385:Gregorian calendar
362:mean tropical year
313:. You can help by
261:lunisolar calendar
253:Gregorian calendar
3913:
3912:
3826:
3825:
3683:
3682:
3544:
3543:
3499:Geologic Calendar
3361:
3360:
3056:
3055:
2866:Nuclear timescale
2548:Continuous signal
2287:
2286:
2269:List of calendars
2196:
2195:
1895:historiographical
1762:French Republican
1668:
1667:
1426:Manipuri (Meitei)
1031:Media related to
1012:https://ehc.world
934:Analemma calendar
919:List of calendars
776:Javanese calendar
751:Holocene calendar
701:Caesar's Calendar
661:Assyrian calendar
656:Assamese calendar
636:
635:
573:
572:
480:
479:
396:Tabarian calendar
331:
330:
233:
232:
225:
215:
214:
207:
160:
159:
152:
134:
57:
3933:
3905:ASPRO chronology
3854:Glottochronology
3770:Tephrochronology
3718:Dendrochronology
3696:
3695:
3593:
3592:
3392:Proleptic Julian
3382:Pre-Julian Roman
3372:
3371:
3167:
3166:
3083:
3076:
3069:
3060:
3059:
2757:Dominical letter
2688:Equation of time
2651:Marine sandglass
2492:
2486:
2464:Terrestrial Time
2321:Time measurement
2314:
2307:
2300:
2291:
2290:
2277:
2276:
2267:
2266:
2131:Human (Holocene)
2116:Chinese Imperial
2016:
2015:
1936:Reform proposals
1891:Proleptic Julian
1653:Eastern Orthodox
1283:Germanic heathen
1261:Earthly Branches
1177:
1176:
1068:
1061:
1054:
1045:
1044:
1030:
1014:
1008:
1002:
999:
993:
990:
984:
981:
975:
974:
972:
971:
960:
876:Swedish calendar
681:Bengali calendar
676:Basotho calendar
631:
628:
610:
603:
577:Islamic calendar
568:
565:
547:
540:
514:Bengali calendar
475:
472:
454:
447:
390:Iranian calendar
379:Bengali calendar
326:
323:
305:
298:
228:
221:
210:
203:
199:
196:
190:
170:
169:
162:
155:
148:
144:
141:
135:
133:
99:"Solar calendar"
92:
68:
60:
49:
27:
26:
19:
3941:
3940:
3936:
3935:
3934:
3932:
3931:
3930:
3926:Solar calendars
3916:
3915:
3914:
3909:
3858:
3842:
3838:Molecular clock
3831:Genetic methods
3822:
3803:Nitrogen dating
3790:Relative dating
3784:
3753:Potassiumâargon
3700:Absolute dating
3690:
3679:
3638:
3617:
3582:
3558:Cosmic Calendar
3550:Astronomic time
3540:
3482:
3437:
3401:
3387:Original Julian
3357:
3324:
3286:
3185:Ab urbe condita
3163:
3140:
3092:
3087:
3057:
3052:
2989:
2880:
2847:
2821:
2702:
2602:
2553:Coordinate time
2525:Time in physics
2519:
2493:
2487:
2478:
2350:
2327:
2318:
2288:
2283:
2255:
2192:
2146:Nirayana system
2072:Ab urbe condita
2060:
2012:
2010:
2003:
1982:
1980:
1973:
1930:
1881:anthropological
1865:
1664:
1648:Liturgical year
1614:
1581:
1173:
1171:
1164:
1103:
1077:
1072:
1033:Solar calendars
1023:
1018:
1017:
1009:
1005:
1000:
996:
991:
987:
982:
978:
969:
967:
961:
957:
952:
915:
910:
871:Soviet calendar
796:Minguo calendar
786:Julian calendar
771:Jalali calendar
706:Coptic calendar
691:Bulgar calendar
686:Berber calendar
648:
632:
626:
623:
616:needs expansion
601:
569:
563:
560:
553:needs expansion
538:
476:
470:
467:
460:needs expansion
445:
439:
423:BahĂĄÊŒĂ calendar
406:(Saka calendar)
327:
321:
318:
311:needs expansion
296:
288:Coptic calendar
284:Julian calendar
280:
229:
218:
217:
216:
211:
200:
194:
191:
183:help improve it
180:
171:
167:
156:
145:
139:
136:
93:
91:
81:
69:
28:
24:
17:
12:
11:
5:
3939:
3929:
3928:
3911:
3910:
3908:
3907:
3902:
3897:
3892:
3887:
3882:
3877:
3875:New Chronology
3872:
3866:
3864:
3863:Related topics
3860:
3859:
3857:
3856:
3850:
3848:
3844:
3843:
3841:
3840:
3834:
3832:
3828:
3827:
3824:
3823:
3821:
3820:
3815:
3810:
3805:
3800:
3794:
3792:
3786:
3785:
3783:
3782:
3777:
3772:
3767:
3766:
3765:
3760:
3755:
3750:
3740:
3738:Paleomagnetism
3735:
3730:
3725:
3720:
3715:
3710:
3704:
3702:
3693:
3685:
3684:
3681:
3680:
3678:
3677:
3672:
3667:
3662:
3657:
3652:
3646:
3644:
3640:
3639:
3637:
3636:
3631:
3625:
3623:
3619:
3618:
3616:
3615:
3610:
3605:
3599:
3597:
3590:
3584:
3583:
3581:
3580:
3575:
3570:
3565:
3560:
3554:
3552:
3546:
3545:
3542:
3541:
3539:
3538:
3536:New Earth Time
3533:
3528:
3527:
3526:
3521:
3511:
3506:
3501:
3496:
3490:
3488:
3484:
3483:
3481:
3480:
3475:
3465:
3460:
3445:
3443:
3439:
3438:
3436:
3435:
3430:
3425:
3420:
3415:
3409:
3407:
3403:
3402:
3400:
3399:
3397:Revised Julian
3394:
3389:
3384:
3378:
3376:
3369:
3363:
3362:
3359:
3358:
3356:
3355:
3350:
3345:
3340:
3334:
3332:
3326:
3325:
3323:
3322:
3317:
3315:Lists of kings
3312:
3307:
3305:Canon of Kings
3302:
3296:
3294:
3288:
3287:
3285:
3284:
3283:
3282:
3277:
3272:
3267:
3257:
3247:
3242:
3237:
3232:
3230:Before present
3227:
3222:
3217:
3212:
3207:
3202:
3197:
3188:
3181:
3175:
3173:
3164:
3162:
3161:
3156:
3151:
3145:
3142:
3141:
3139:
3138:
3133:
3128:
3127:
3126:
3116:
3111:
3106:
3100:
3098:
3094:
3093:
3086:
3085:
3078:
3071:
3063:
3054:
3053:
3051:
3050:
3045:
3040:
3038:Time metrology
3035:
3030:
3025:
3020:
3015:
3014:
3013:
3003:
2997:
2995:
2994:Related topics
2991:
2990:
2988:
2987:
2982:
2977:
2972:
2967:
2962:
2957:
2952:
2947:
2942:
2937:
2932:
2927:
2922:
2917:
2912:
2907:
2902:
2897:
2891:
2889:
2882:
2881:
2879:
2878:
2873:
2868:
2863:
2857:
2855:
2849:
2848:
2846:
2845:
2840:
2835:
2829:
2827:
2823:
2822:
2820:
2819:
2814:
2809:
2804:
2799:
2794:
2789:
2784:
2779:
2774:
2769:
2764:
2759:
2754:
2749:
2744:
2739:
2733:
2728:
2723:
2718:
2712:
2710:
2704:
2703:
2701:
2700:
2695:
2690:
2685:
2683:Dialing scales
2680:
2675:
2670:
2669:
2668:
2658:
2653:
2648:
2643:
2638:
2633:
2628:
2623:
2618:
2612:
2610:
2604:
2603:
2601:
2600:
2595:
2590:
2585:
2580:
2575:
2570:
2565:
2560:
2555:
2550:
2545:
2540:
2535:
2529:
2527:
2521:
2520:
2518:
2517:
2515:Prime meridian
2512:
2507:
2505:Ephemeris time
2501:
2499:
2495:
2494:
2481:
2479:
2477:
2476:
2474:180th meridian
2471:
2466:
2461:
2456:
2451:
2446:
2441:
2436:
2431:
2426:
2421:
2416:
2411:
2406:
2401:
2396:
2391:
2386:
2381:
2376:
2371:
2370:
2369:
2358:
2356:
2352:
2351:
2349:
2348:
2343:
2338:
2332:
2329:
2328:
2317:
2316:
2309:
2302:
2294:
2285:
2284:
2282:
2281:
2271:
2260:
2257:
2256:
2254:
2253:
2241:
2229:
2217:
2204:
2202:
2198:
2197:
2194:
2193:
2191:
2190:
2185:
2184:
2183:
2178:
2173:
2168:
2158:
2153:
2148:
2143:
2138:
2133:
2128:
2123:
2121:Chinese Minguo
2118:
2113:
2111:Before Present
2108:
2103:
2098:
2093:
2088:
2079:
2074:
2068:
2066:
2062:
2061:
2059:
2058:
2053:
2048:
2043:
2038:
2033:
2028:
2022:
2020:
2013:
2008:
2005:
2004:
2002:
2001:
1996:
1991:
1985:
1983:
1978:
1975:
1974:
1972:
1971:
1966:
1961:
1956:
1951:
1946:
1940:
1938:
1932:
1931:
1929:
1928:
1923:
1918:
1917:
1916:
1908:
1907:
1906:
1898:
1897:
1896:
1884:
1883:
1882:
1873:
1871:
1867:
1866:
1864:
1863:
1858:
1853:
1848:
1843:
1836:
1831:
1826:
1821:
1816:
1811:
1806:
1805:
1804:
1799:
1789:
1784:
1779:
1774:
1769:
1764:
1759:
1754:
1749:
1744:
1739:
1734:
1729:
1724:
1719:
1714:
1709:
1704:
1703:
1702:
1697:
1687:
1682:
1676:
1674:
1670:
1669:
1666:
1665:
1663:
1662:
1657:
1656:
1655:
1645:
1644:
1643:
1633:
1628:
1622:
1620:
1616:
1615:
1613:
1612:
1611:
1610:
1608:Calendar round
1605:
1595:
1589:
1587:
1583:
1582:
1580:
1579:
1574:
1569:
1564:
1559:
1554:
1549:
1544:
1539:
1538:
1537:
1532:
1522:
1517:
1516:
1515:
1510:
1500:
1495:
1490:
1485:
1480:
1479:
1478:
1468:
1463:
1458:
1457:
1456:
1451:
1446:
1438:
1433:
1428:
1423:
1418:
1413:
1408:
1403:
1398:
1397:
1396:
1386:
1381:
1376:
1371:
1370:
1369:
1364:
1354:
1353:
1352:
1344:
1343:
1342:
1337:
1336:
1335:
1322:
1317:
1312:
1311:
1310:
1305:
1295:
1290:
1285:
1280:
1279:
1278:
1273:
1268:
1266:Heavenly Stems
1263:
1253:
1248:
1243:
1238:
1237:
1236:
1226:
1225:
1224:
1219:
1211:
1210:
1209:
1201:
1196:
1191:
1186:
1180:
1174:
1169:
1166:
1165:
1163:
1162:
1157:
1152:
1147:
1142:
1137:
1132:
1127:
1122:
1117:
1111:
1109:
1105:
1104:
1102:
1101:
1096:
1091:
1085:
1083:
1079:
1078:
1071:
1070:
1063:
1056:
1048:
1042:
1041:
1036:
1022:
1021:External links
1019:
1016:
1015:
1003:
994:
985:
976:
954:
953:
951:
948:
947:
946:
941:
936:
931:
926:
924:Lunar calendar
921:
914:
911:
909:
908:
903:
901:World Calendar
898:
893:
888:
886:Tamil calendar
883:
878:
873:
868:
863:
861:Runic calendar
858:
856:Roman calendar
853:
848:
843:
841:Pisan calendar
838:
833:
828:
823:
818:
813:
808:
803:
798:
793:
788:
783:
778:
773:
768:
763:
758:
753:
748:
743:
738:
733:
728:
723:
718:
713:
708:
703:
698:
693:
688:
683:
678:
673:
671:BadĂâ calendar
668:
663:
658:
652:
647:
644:
634:
633:
613:
611:
600:
597:
589:synodic period
581:lunar calendar
571:
570:
550:
548:
537:
534:
530:zodiacal signs
516:(revised) and
510:Tamil calendar
506:Hindu calendar
478:
477:
457:
455:
438:
435:
427:vernal equinox
408:
407:
401:
400:
399:
387:
382:
376:
329:
328:
308:
306:
295:
292:
279:
276:
257:lunar calendar
237:solar calendar
231:
230:
213:
212:
174:
172:
165:
158:
157:
72:
70:
63:
58:
32:
31:
29:
22:
15:
9:
6:
4:
3:
2:
3938:
3927:
3924:
3923:
3921:
3906:
3903:
3901:
3898:
3896:
3893:
3891:
3888:
3886:
3883:
3881:
3878:
3876:
3873:
3871:
3868:
3867:
3865:
3861:
3855:
3852:
3851:
3849:
3845:
3839:
3836:
3835:
3833:
3829:
3819:
3816:
3814:
3811:
3809:
3806:
3804:
3801:
3799:
3796:
3795:
3793:
3791:
3787:
3781:
3778:
3776:
3773:
3771:
3768:
3764:
3761:
3759:
3756:
3754:
3751:
3749:
3746:
3745:
3744:
3741:
3739:
3736:
3734:
3731:
3729:
3726:
3724:
3721:
3719:
3716:
3714:
3711:
3709:
3706:
3705:
3703:
3701:
3697:
3694:
3692:
3689:Chronological
3686:
3676:
3673:
3671:
3668:
3666:
3663:
3661:
3658:
3656:
3655:Geochronology
3653:
3651:
3648:
3647:
3645:
3641:
3635:
3632:
3630:
3627:
3626:
3624:
3620:
3614:
3611:
3609:
3606:
3604:
3601:
3600:
3598:
3594:
3591:
3589:
3588:Geologic time
3585:
3579:
3576:
3574:
3573:Metonic cycle
3571:
3569:
3568:Galactic year
3566:
3564:
3561:
3559:
3556:
3555:
3553:
3551:
3547:
3537:
3534:
3532:
3529:
3525:
3522:
3520:
3517:
3516:
3515:
3512:
3510:
3509:ISO week date
3507:
3505:
3502:
3500:
3497:
3495:
3492:
3491:
3489:
3485:
3479:
3476:
3473:
3469:
3466:
3464:
3461:
3458:
3454:
3450:
3447:
3446:
3444:
3440:
3434:
3431:
3429:
3426:
3424:
3421:
3419:
3416:
3414:
3411:
3410:
3408:
3404:
3398:
3395:
3393:
3390:
3388:
3385:
3383:
3380:
3379:
3377:
3373:
3370:
3368:
3364:
3354:
3351:
3349:
3346:
3344:
3341:
3339:
3336:
3335:
3333:
3331:
3327:
3321:
3318:
3316:
3313:
3311:
3308:
3306:
3303:
3301:
3298:
3297:
3295:
3293:
3289:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3262:
3261:
3258:
3255:
3251:
3248:
3246:
3243:
3241:
3238:
3236:
3233:
3231:
3228:
3226:
3223:
3221:
3218:
3216:
3215:Byzantine era
3213:
3211:
3208:
3206:
3203:
3201:
3198:
3196:
3192:
3189:
3187:
3186:
3182:
3180:
3177:
3176:
3174:
3172:
3171:Calendar eras
3168:
3165:
3160:
3157:
3155:
3152:
3150:
3147:
3146:
3143:
3137:
3134:
3132:
3129:
3125:
3122:
3121:
3120:
3117:
3115:
3112:
3110:
3107:
3105:
3102:
3101:
3099:
3095:
3091:
3084:
3079:
3077:
3072:
3070:
3065:
3064:
3061:
3049:
3046:
3044:
3041:
3039:
3036:
3034:
3031:
3029:
3026:
3024:
3021:
3019:
3016:
3012:
3009:
3008:
3007:
3004:
3002:
2999:
2998:
2996:
2992:
2986:
2983:
2981:
2978:
2976:
2973:
2971:
2968:
2966:
2963:
2961:
2958:
2956:
2953:
2951:
2948:
2946:
2943:
2941:
2938:
2936:
2933:
2931:
2928:
2926:
2923:
2921:
2918:
2916:
2913:
2911:
2908:
2906:
2903:
2901:
2898:
2896:
2893:
2892:
2890:
2888:
2887:units of time
2883:
2877:
2876:Sidereal time
2874:
2872:
2869:
2867:
2864:
2862:
2861:Galactic year
2859:
2858:
2856:
2854:
2850:
2844:
2841:
2839:
2836:
2834:
2831:
2830:
2828:
2824:
2818:
2817:Weekday names
2815:
2813:
2810:
2808:
2807:Tropical year
2805:
2803:
2800:
2798:
2795:
2793:
2790:
2788:
2785:
2783:
2780:
2778:
2775:
2773:
2772:Intercalation
2770:
2768:
2765:
2763:
2760:
2758:
2755:
2753:
2750:
2748:
2745:
2743:
2740:
2738:(lunar Hijri)
2737:
2734:
2732:
2729:
2727:
2724:
2722:
2719:
2717:
2714:
2713:
2711:
2709:
2705:
2699:
2696:
2694:
2691:
2689:
2686:
2684:
2681:
2679:
2676:
2674:
2671:
2667:
2664:
2663:
2662:
2659:
2657:
2654:
2652:
2649:
2647:
2644:
2642:
2639:
2637:
2634:
2632:
2629:
2627:
2624:
2622:
2619:
2617:
2614:
2613:
2611:
2609:
2605:
2599:
2596:
2594:
2591:
2589:
2586:
2584:
2581:
2579:
2578:Time dilation
2576:
2574:
2571:
2569:
2566:
2564:
2561:
2559:
2556:
2554:
2551:
2549:
2546:
2544:
2541:
2539:
2536:
2534:
2531:
2530:
2528:
2526:
2522:
2516:
2513:
2511:
2508:
2506:
2503:
2502:
2500:
2496:
2491:
2485:
2475:
2472:
2470:
2467:
2465:
2462:
2460:
2457:
2455:
2452:
2450:
2447:
2445:
2442:
2440:
2437:
2435:
2432:
2430:
2427:
2425:
2422:
2420:
2417:
2415:
2414:24-hour clock
2412:
2410:
2409:12-hour clock
2407:
2405:
2402:
2400:
2397:
2395:
2392:
2390:
2387:
2385:
2382:
2380:
2377:
2375:
2372:
2368:
2365:
2364:
2363:
2360:
2359:
2357:
2353:
2347:
2344:
2342:
2339:
2337:
2334:
2333:
2330:
2326:
2322:
2315:
2310:
2308:
2303:
2301:
2296:
2295:
2292:
2280:
2272:
2270:
2262:
2261:
2258:
2251:
2250:
2245:
2242:
2239:
2238:
2233:
2230:
2227:
2226:
2221:
2218:
2215:
2214:
2209:
2206:
2205:
2203:
2199:
2189:
2186:
2182:
2179:
2177:
2174:
2172:
2169:
2167:
2164:
2163:
2162:
2159:
2157:
2154:
2152:
2149:
2147:
2144:
2142:
2139:
2137:
2134:
2132:
2129:
2127:
2124:
2122:
2119:
2117:
2114:
2112:
2109:
2107:
2104:
2102:
2099:
2097:
2096:Anno Martyrum
2094:
2092:
2089:
2087:
2083:
2080:
2078:
2075:
2073:
2070:
2069:
2067:
2063:
2057:
2054:
2052:
2049:
2047:
2044:
2042:
2039:
2037:
2034:
2032:
2029:
2027:
2024:
2023:
2021:
2017:
2014:
2011:and numbering
2006:
2000:
1997:
1995:
1992:
1990:
1987:
1986:
1984:
1976:
1970:
1967:
1965:
1962:
1960:
1957:
1955:
1952:
1950:
1947:
1945:
1942:
1941:
1939:
1937:
1933:
1927:
1926:'Pataphysical
1924:
1922:
1919:
1914:
1913:
1912:
1909:
1904:
1903:
1902:
1899:
1894:
1893:
1892:
1888:
1885:
1880:
1879:
1878:
1875:
1874:
1872:
1868:
1862:
1859:
1857:
1854:
1852:
1849:
1847:
1844:
1842:
1841:
1837:
1835:
1832:
1830:
1827:
1825:
1822:
1820:
1817:
1815:
1812:
1810:
1807:
1803:
1800:
1798:
1795:
1794:
1793:
1790:
1788:
1785:
1783:
1780:
1778:
1775:
1773:
1770:
1768:
1765:
1763:
1760:
1758:
1755:
1753:
1750:
1748:
1745:
1743:
1740:
1738:
1735:
1733:
1730:
1728:
1725:
1723:
1720:
1718:
1715:
1713:
1710:
1708:
1705:
1701:
1698:
1696:
1695:TĆnalpĆhualli
1693:
1692:
1691:
1688:
1686:
1683:
1681:
1678:
1677:
1675:
1671:
1661:
1658:
1654:
1651:
1650:
1649:
1646:
1642:
1639:
1638:
1637:
1634:
1632:
1629:
1627:
1624:
1623:
1621:
1617:
1609:
1606:
1604:
1601:
1600:
1599:
1596:
1594:
1591:
1590:
1588:
1584:
1578:
1575:
1573:
1570:
1568:
1565:
1563:
1560:
1558:
1555:
1553:
1550:
1548:
1545:
1543:
1540:
1536:
1533:
1531:
1528:
1527:
1526:
1523:
1521:
1518:
1514:
1511:
1509:
1506:
1505:
1504:
1501:
1499:
1496:
1494:
1491:
1489:
1486:
1484:
1481:
1477:
1474:
1473:
1472:
1469:
1467:
1464:
1462:
1459:
1455:
1452:
1450:
1449:Vikram Samvat
1447:
1445:
1442:
1441:
1439:
1437:
1434:
1432:
1429:
1427:
1424:
1422:
1419:
1417:
1414:
1412:
1409:
1407:
1404:
1402:
1399:
1395:
1392:
1391:
1390:
1387:
1385:
1382:
1380:
1377:
1375:
1372:
1368:
1365:
1363:
1360:
1359:
1358:
1355:
1350:
1349:
1348:
1345:
1341:
1338:
1333:
1332:
1331:
1328:
1327:
1326:
1323:
1321:
1318:
1316:
1313:
1309:
1306:
1304:
1303:Vikram Samvat
1301:
1300:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1277:
1274:
1272:
1269:
1267:
1264:
1262:
1259:
1258:
1257:
1254:
1252:
1249:
1247:
1244:
1242:
1239:
1235:
1232:
1231:
1230:
1227:
1223:
1220:
1218:
1215:
1214:
1212:
1207:
1206:
1205:
1202:
1200:
1197:
1195:
1192:
1190:
1187:
1185:
1182:
1181:
1178:
1175:
1167:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1136:
1133:
1131:
1128:
1126:
1123:
1121:
1118:
1116:
1113:
1112:
1110:
1106:
1100:
1097:
1095:
1092:
1090:
1087:
1086:
1084:
1080:
1076:
1069:
1064:
1062:
1057:
1055:
1050:
1049:
1046:
1040:
1037:
1034:
1029:
1025:
1024:
1013:
1007:
998:
989:
980:
966:
959:
955:
945:
942:
940:
937:
935:
932:
930:
927:
925:
922:
920:
917:
916:
907:
904:
902:
899:
897:
896:Tulu calendar
894:
892:
889:
887:
884:
882:
879:
877:
874:
872:
869:
867:
864:
862:
859:
857:
854:
852:
849:
847:
844:
842:
839:
837:
834:
832:
829:
827:
824:
822:
821:Pancronometer
819:
817:
814:
812:
809:
807:
806:Odia calendar
804:
802:
799:
797:
794:
792:
789:
787:
784:
782:
779:
777:
774:
772:
769:
767:
764:
762:
759:
757:
754:
752:
749:
747:
744:
742:
739:
737:
734:
732:
729:
727:
724:
722:
719:
717:
714:
712:
709:
707:
704:
702:
699:
697:
694:
692:
689:
687:
684:
682:
679:
677:
674:
672:
669:
667:
664:
662:
659:
657:
654:
653:
651:
643:
640:
630:
621:
617:
614:This section
612:
609:
605:
604:
596:
594:
590:
586:
582:
578:
567:
558:
554:
551:This section
549:
546:
542:
541:
533:
531:
527:
523:
519:
515:
511:
507:
502:
498:
496:
495:sidereal year
491:
489:
485:
474:
465:
461:
458:This section
456:
453:
449:
448:
444:
443:Sidereal time
434:
432:
428:
424:
419:
417:
416:intercalation
413:
405:
402:
397:
394:
393:
391:
388:
386:
383:
380:
377:
374:
373:
372:
369:
367:
363:
359:
358:tropical year
355:
350:
348:
344:
340:
336:
325:
316:
312:
309:This section
307:
304:
300:
299:
291:
289:
285:
275:
273:
268:
266:
262:
258:
254:
250:
246:
242:
238:
227:
224:
209:
206:
198:
188:
184:
178:
175:This article
173:
164:
163:
154:
151:
143:
132:
129:
125:
122:
118:
115:
111:
108:
104:
101: â
100:
96:
95:Find sources:
89:
85:
79:
78:
73:This article
71:
67:
62:
61:
56:
54:
47:
46:
41:
40:
35:
30:
21:
20:
3818:Stratigraphy
3763:Uraniumâlead
3733:Lichenometry
3531:Winter count
3514:Mesoamerican
3462:
3442:Astronomical
3260:Mesoamerican
3245:Sothic cycle
3220:Seleucid era
3205:Bosporan era
3193: /
3183:
3131:Paleontology
3023:Decimal time
2796:
2752:Astronomical
2631:Complication
2626:Atomic clock
2247:
2235:
2232:Middle-earth
2223:
2211:
1981:applications
1979:Displays and
1889: /
1870:By specialty
1839:
1700:XiuhpĆhualli
1598:Mesoamerican
1444:Nepal Sambat
1115:Astronomical
1098:
1006:
997:
988:
979:
968:. Retrieved
958:
831:Pax Calendar
721:Era Fascista
649:
637:
627:January 2017
624:
620:adding to it
615:
579:is a purely
574:
564:January 2017
561:
557:adding to it
552:
503:
499:
492:
487:
481:
471:January 2017
468:
464:adding to it
459:
420:
409:
370:
353:
351:
346:
332:
322:January 2017
319:
315:adding to it
310:
281:
269:
236:
234:
219:
201:
195:January 2017
192:
176:
146:
140:January 2017
137:
127:
120:
113:
106:
94:
82:Please help
77:verification
74:
50:
43:
37:
36:Please help
33:
3758:Radiocarbon
3433:Dual dating
3292:Regnal year
3270:Short Count
3210:Bostran era
3191:Anno Domini
3124:Big History
3104:Archaeology
3033:System time
3028:Metric time
2747:Solar Hijri
2673:Water clock
2656:Radio clock
2588:Time domain
2568:Proper time
2454:Leap second
2336:Chronometry
2082:Anno Domini
2051:Regnal year
2046:Regnal name
2019:Terminology
2009:Year naming
1964:Symmetry454
1814:Pentecontad
1737:CulÄsakaraj
1722:Cappadocian
1454:Yele Sambat
1340:Zoroastrian
1234:Bangladeshi
1172:limited use
1150:Solar Hijri
1145:Lunar Hijri
1108:In wide use
881:Symmetry454
343:declination
265:Moon phases
3353:Vietnamese
3265:Long Count
3200:Anno Mundi
3195:Common Era
3097:Key topics
3090:Chronology
3048:Timekeeper
3001:Chronology
2985:Millennium
2871:Precession
2777:Julian day
2598:T-symmetry
2459:Solar time
2429:Civil time
2188:Vietnamese
2101:Anno Mundi
2091:Anno Lucis
2086:Common Era
1989:Electronic
1959:Positivist
1921:Discordian
1911:Dreamspell
1846:Sexagenary
1787:Macedonian
1757:Florentine
1707:Babylonian
1673:Historical
1603:Long Count
1557:Vietnamese
1513:Macedonian
1476:Nanakshahi
1406:Lithuanian
1276:Solar term
970:2014-07-10
950:References
110:newspapers
39:improve it
3890:Year zero
3870:Chronicle
3813:Seriation
3748:Leadâlead
3622:Standards
3603:Deep time
3563:Ephemeris
3449:Lunisolar
3413:Gregorian
3406:Gregorian
3367:Calendars
3330:Era names
3300:Anka year
3179:Human Era
3109:Astronomy
2945:Fortnight
2792:Lunisolar
2782:Leap year
2716:Gregorian
2666:stopwatch
2641:Hourglass
2621:Astrarium
2538:Spacetime
2469:Time zone
2346:Metrology
2325:standards
2249:Star Trek
2213:Discworld
2208:Discworld
2201:Fictional
2077:Anka year
2056:Year zero
2036:Leap year
1994:Perpetual
1717:Byzantine
1436:Mongolian
1416:Malayalam
1160:Unix time
1135:Gregorian
1130:Ethiopian
1094:Lunisolar
1075:Calendars
412:leap year
45:talk page
3920:Category
3885:Timeline
3723:Ice core
3596:Concepts
3343:Japanese
3275:Tzolk'in
3240:Egyptian
3006:Duration
2980:Saeculum
2960:Olympiad
2802:Solstice
2731:Holocene
2708:Calendar
2608:Horology
2399:ISO 8601
2394:ISO 31-1
2279:Category
2244:Stardate
2220:Greyhawk
2151:Seleucid
2136:Japanese
2106:Assyrian
2041:New Year
1877:Holocene
1829:Rapa Nui
1802:TzolkÊŒin
1767:Germanic
1747:Egyptian
1483:Romanian
1461:Nisg̱a'a
1421:Mandaean
1411:Maithili
1384:Javanese
1379:Japanese
1334:medieval
1288:Georgian
1199:Assyrian
1189:Armenian
1120:Buddhist
913:See also
286:and the
278:Examples
241:calendar
3895:Floruit
3643:Methods
3504:Iranian
3472:Islamic
3338:Chinese
3149:Periods
3119:History
3114:Geology
2975:Century
2965:Lustrum
2895:Instant
2767:Equinox
2736:Islamic
2678:Sundial
2543:Chronon
2176:Dvapara
2156:Spanish
2065:Systems
1915:New Age
1905:Martian
1861:Turkmen
1856:Swedish
1742:Coligny
1680:Arabian
1641:Revised
1547:Tripuri
1542:Tibetan
1498:Sesotho
1471:Punjabi
1431:Melanau
1401:Kurdish
1367:Tabular
1357:Islamic
1325:Iranian
1256:Chinese
1251:Burmese
1229:Bengali
1217:Pawukon
1170:In more
1125:Chinese
1082:Systems
585:Tzolkin
364:or the
339:seasons
335:Equinox
181:Please
124:scholar
3691:dating
3487:Others
3453:Hebrew
3348:Korean
3159:Epochs
2970:Decade
2925:Moment
2920:Minute
2915:Second
2885:Other
2742:Julian
2721:Hebrew
2367:offset
2141:Korean
1901:Darian
1851:Soviet
1824:Qumran
1809:Muisca
1727:Celtic
1712:Bulgar
1660:Saints
1636:Julian
1626:Coptic
1572:Yoruba
1503:Slavic
1493:Somali
1440:Nepal
1389:Korean
1351:Gaelic
1330:Jalali
1293:Hebrew
1271:Minguo
1246:Borana
1241:Berber
1204:BahĂĄÊŒĂ
431:Tehran
272:Sirius
245:season
126:
119:
112:
105:
97:
3524:Aztec
3468:Lunar
3463:Solar
3457:Hindu
3320:Limmu
3280:Haab'
3235:Hijri
3011:music
2950:Month
2910:Jiffy
2905:Shake
2900:Flick
2797:Solar
2787:Lunar
2762:Epact
2726:Hindu
2661:Watch
2616:Clock
2171:Treta
2166:Satya
2161:Yugas
2031:Epoch
1969:World
1834:Roman
1819:Pisan
1797:Haabʌ
1777:Hindu
1772:Greek
1752:Enoch
1690:Aztec
1685:Attic
1593:Runic
1586:Types
1567:Xhosa
1562:Wicca
1535:solar
1530:lunar
1520:Tamil
1488:Shona
1394:Juche
1362:Fasli
1347:Irish
1315:Hmong
1298:Hindu
1213:Bali
1208:BadĂâ
1140:Hindu
1099:Solar
1089:Lunar
593:Venus
239:is a
131:JSTOR
117:books
3519:Maya
3254:Yuga
3154:Eras
3136:Time
2955:Year
2940:Week
2930:Hour
2384:DUT1
2323:and
2181:Kali
1999:Wall
1840:Rumi
1792:Maya
1782:Inca
1732:Cham
1577:Zulu
1552:Tulu
1525:Thai
1466:Odia
1374:Jain
1320:Igbo
1308:Saka
1222:Saka
1184:Akan
575:The
421:The
354:mean
259:and
103:news
2935:Day
2026:Era
1954:Pax
1155:ISO
622:.
591:of
559:.
466:.
317:.
185:to
86:by
3922::
3455:,
2379:ÎT
2374:UT
512:,
508:,
497:.
490:.
368:.
349:.
235:A
48:.
3474:)
3470:(
3459:)
3451:(
3256:)
3252:(
3082:e
3075:t
3068:v
2313:e
2306:t
2299:v
2252:)
2246:(
2240:)
2234:(
2228:)
2222:(
2216:)
2210:(
2084:/
1067:e
1060:t
1053:v
973:.
629:)
625:(
566:)
562:(
473:)
469:(
324:)
320:(
226:)
220:(
208:)
202:(
197:)
193:(
179:.
153:)
147:(
142:)
138:(
128:·
121:·
114:·
107:·
80:.
55:)
51:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
