1184:
1178:
426:
718:
year numbering, which are numerically equivalent, are now commonly used to number years, including those which occurred before these notations were invented; AD did not become widespread in Europe until early in the 2nd
754:
1082:
1005:
620:
While the century has been commonly used in the West, other cultures and calendars have utilized differently sized groups of years in a similar manner. The
87:, there are two viewpoints on the nature of standard centuries. One is based on strict construction, while the other is based on popular perception.
980:. Available from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250- 7954. Cite stock no. 030-001-00153-9. Retrieved 3 March 2019.
75:
or centenary is a hundredth anniversary, or a celebration of this, typically the remembrance of an event which took place a hundred years earlier.
486:
Informally, years may be referred to in groups based on the hundreds part of the year. In this system, the years 1900–1999 are referred to as the
129:
In popular perception and practice, centuries are structured by grouping years based on sharing the 'hundreds' digit(s). In this model, the
998:
662:
1536:
991:
110:-th century starts with a year that follows a year with a multiple of 100 (except the first century as it began after the year
1505:
834:
164:, with the astronomical year 0 corresponding to the year 1 BC, the astronomical year -1 corresponding to 2 BC, and so on.
43:
779:
917:
1256:
473:
455:
967:
809:
578:) refer unambiguously to the years 1900–1999. In Swedish, however, a century is in more rare cases referred to as
977:
133:-th century starts with the year that ends in "00" and ends with the year ending in "99"; for example, the years
1329:
451:
1510:
1465:
1445:
1391:
1276:
1112:
153:
1132:
1117:
1055:
1034:
24:
1286:
1097:
602:
447:
436:
20:
1546:
1324:
1226:
1142:
1137:
440:
1772:
1762:
1699:
1526:
1440:
1266:
1127:
740:
8:
1736:
1531:
1386:
1251:
1203:
1072:
1767:
1711:
1485:
1409:
1339:
515:
507:
503:
1559:
1424:
1241:
600:
and mainly also referring to the years 1601–1700 rather than 1600–1699; according to
1704:
1450:
1429:
1381:
1344:
1157:
943:
637:
511:
495:
864:
1435:
1414:
1246:
1218:
983:
889:
642:
499:
142:
903:
1731:
1490:
1480:
1419:
1376:
1208:
1198:
1167:
1067:
1039:
842:
625:
621:
368:
319:
1756:
1618:
1569:
1554:
1500:
1271:
1107:
1102:
1018:
647:
146:
787:
1716:
1603:
1598:
1593:
1580:
1319:
973:
921:
401:
396:
391:
352:
347:
342:
1726:
1721:
1366:
1349:
1281:
1261:
1147:
1029:
672:
383:
378:
373:
334:
329:
324:
1741:
1694:
1678:
1564:
1470:
1291:
1152:
1122:
1060:
715:
682:
677:
652:
72:
1638:
1475:
1359:
1334:
1314:
1231:
1183:
1177:
1162:
161:
425:
1673:
1653:
1495:
1401:
1301:
1092:
1087:
687:
624:, in particular, summarizes its years into groups of 60, while the
157:
145:, constitute the 20th century. (This is similar to the grouping of
1658:
1588:
1460:
1371:
1236:
667:
615:
291:
283:
278:
273:
268:
260:
255:
250:
245:
1663:
1613:
1608:
657:
237:
232:
227:
222:
214:
209:
204:
99:
39:
1643:
1455:
1354:
1309:
199:
114:) and ends with the next coming year with a multiple of 100 (
84:
51:
1648:
1633:
1623:
1077:
1014:
692:
191:
186:
181:
176:
111:
95:
35:
1083:
International Earth
Rotation and Reference Systems Service
590:, i.e. the 17th century is (in rare cases) referred to as
1628:
103:
152:
To facilitate calendrical calculations by computer, the
83:
Although a century can mean any arbitrary period of 100
711:
91:
612:
may refer to either the years 1501–1600 or 1500–1599.
90:
According to the strict construction, the 1st century
494:). Aside from English usage, this system is used in
741:"Oxford English Dictionary – List of Abbreviations"
1013:
1754:
19:"Centuries" redirects here. For other uses, see
573:
567:
549:
543:
616:Similar dating units in other calendar systems
46:in English and many other languages. The word
999:
869:National Aeronautics and Space Administration
607:
591:
585:
579:
561:
555:
525:
519:
415:
118:), i.e. the 20th century comprises the years
78:
537:
531:
454:. Unsourced material may be challenged and
1006:
992:
663:List of decades, centuries, and millennia
474:Learn how and when to remove this message
1537:International Commission on Stratigraphy
1755:
987:
810:"Centuries and How to Refer to Them"
593:17:(d)e/sjuttonde ĂĄrhundradet/seklet
452:adding citations to reliable sources
419:
13:
755:"When Did the 21st Century Start?"
14:
1784:
1257:Discrete time and continuous time
584:("the n-th century") rather than
1182:
1176:
424:
149:which share the 'tens' digit.)
978:U.S. Government Printing Office
961:
936:
910:
1330:History of timekeeping devices
896:
882:
857:
827:
802:
772:
747:
733:
705:
102:, and the 2nd century with AD
16:Unit of time lasting 100 years
1:
890:"Sjuttonde | svenska.se"
726:
904:"Sextonde | svenska.se"
609:16:(d)e/sextonde ĂĄrhundradet
65:is sometimes abbreviated as
7:
1277:Gravitational time dilation
1113:Barycentric Coordinate Time
969:The Battle of the Centuries
631:
581:det n-te seklet/ĂĄrhundradet
154:astronomical year numbering
10:
1789:
1133:Geocentric Coordinate Time
1118:Barycentric Dynamical Time
1056:Coordinated Universal Time
416:Alternative naming systems
79:Start and end of centuries
25:Centuries (disambiguation)
18:
1687:
1578:
1545:
1519:
1400:
1300:
1287:Time-translation symmetry
1217:
1191:
1174:
1098:International Atomic Time
1048:
1025:
865:"Year Dating Conventions"
603:Svenska Akademiens ordbok
405:
400:
395:
390:
382:
377:
372:
367:
356:
351:
346:
341:
333:
328:
323:
318:
42:. Centuries are numbered
698:
628:considers groups of 52.
168:Strict vs Popular usage
21:Century (disambiguation)
1547:Astronomical chronology
1520:Archaeology and geology
1227:Absolute space and time
1143:IERS Reference Meridian
1138:International Date Line
1049:International standards
944:"www.aztec-history.com"
918:"www.vedavidyalaya.com"
160:systems both contain a
608:
592:
586:
580:
574:
568:
562:
557:tuhatyhdeksänsataaluku
556:
550:
544:
538:
532:
526:
520:
1506:Weekday determination
1392:Sundial markup schema
569:ezerkilencszázas évek
106:; in this model, the
1527:Chronological dating
1267:Theory of relativity
1128:Daylight saving time
790:on December 30, 2019
539:nittenhundredetallet
533:nittenhundredetallet
448:improve this section
1737:Time value of money
1532:Geologic time scale
1387:History of sundials
1252:Cosmological decade
1204:Greenwich Mean Time
1035:Orders of magnitude
924:on 17 December 2013
845:on 10 February 2012
784:Oxford Dictionaries
169:
94:, which began with
34:is a period of 100
1712:Mental chronometry
1340:Marine chronometer
1192:Obsolete standards
545:nittenhundretallet
167:
1750:
1749:
1560:Nuclear timescale
1242:Continuous signal
521:nittonhundratalet
488:nineteen hundreds
484:
483:
476:
413:
412:
126:in strict usage.
1780:
1451:Dominical letter
1382:Equation of time
1345:Marine sandglass
1186:
1180:
1158:Terrestrial Time
1015:Time measurement
1008:
1001:
994:
985:
984:
955:
954:
952:
950:
940:
934:
933:
931:
929:
920:. Archived from
914:
908:
907:
900:
894:
893:
886:
880:
879:
877:
875:
861:
855:
854:
852:
850:
841:. Archived from
831:
825:
824:
822:
820:
806:
800:
799:
797:
795:
786:. Archived from
776:
770:
769:
767:
765:
751:
745:
744:
737:
720:
709:
638:Age of Discovery
611:
595:
589:
583:
577:
571:
566:) and Hungarian
565:
559:
553:
547:
541:
535:
529:
523:
479:
472:
468:
465:
459:
428:
420:
170:
166:
147:"0-to-9 decades"
1788:
1787:
1783:
1782:
1781:
1779:
1778:
1777:
1753:
1752:
1751:
1746:
1683:
1574:
1541:
1515:
1396:
1296:
1247:Coordinate time
1219:Time in physics
1213:
1187:
1181:
1172:
1044:
1021:
1012:
964:
959:
958:
948:
946:
942:
941:
937:
927:
925:
916:
915:
911:
902:
901:
897:
888:
887:
883:
873:
871:
863:
862:
858:
848:
846:
833:
832:
828:
818:
816:
814:Merriam-Webster
808:
807:
803:
793:
791:
778:
777:
773:
763:
761:
759:timeanddate.com
753:
752:
748:
739:
738:
734:
729:
724:
723:
710:
706:
701:
643:Ancient history
634:
618:
480:
469:
463:
460:
445:
429:
418:
143:popular culture
81:
50:comes from the
28:
17:
12:
11:
5:
1786:
1776:
1775:
1770:
1765:
1748:
1747:
1745:
1744:
1739:
1734:
1732:Time metrology
1729:
1724:
1719:
1714:
1709:
1708:
1707:
1697:
1691:
1689:
1688:Related topics
1685:
1684:
1682:
1681:
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1651:
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1636:
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1562:
1557:
1551:
1549:
1543:
1542:
1540:
1539:
1534:
1529:
1523:
1521:
1517:
1516:
1514:
1513:
1508:
1503:
1498:
1493:
1488:
1483:
1478:
1473:
1468:
1463:
1458:
1453:
1448:
1443:
1438:
1433:
1427:
1422:
1417:
1412:
1406:
1404:
1398:
1397:
1395:
1394:
1389:
1384:
1379:
1377:Dialing scales
1374:
1369:
1364:
1363:
1362:
1352:
1347:
1342:
1337:
1332:
1327:
1322:
1317:
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1306:
1304:
1298:
1297:
1295:
1294:
1289:
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1279:
1274:
1269:
1264:
1259:
1254:
1249:
1244:
1239:
1234:
1229:
1223:
1221:
1215:
1214:
1212:
1211:
1209:Prime meridian
1206:
1201:
1199:Ephemeris time
1195:
1193:
1189:
1188:
1175:
1173:
1171:
1170:
1168:180th meridian
1165:
1160:
1155:
1150:
1145:
1140:
1135:
1130:
1125:
1120:
1115:
1110:
1105:
1100:
1095:
1090:
1085:
1080:
1075:
1070:
1065:
1064:
1063:
1052:
1050:
1046:
1045:
1043:
1042:
1037:
1032:
1026:
1023:
1022:
1011:
1010:
1003:
996:
988:
982:
981:
963:
960:
957:
956:
935:
909:
895:
881:
856:
826:
801:
771:
746:
731:
730:
728:
725:
722:
721:
703:
702:
700:
697:
696:
695:
690:
685:
680:
675:
670:
665:
660:
655:
650:
645:
640:
633:
630:
626:Aztec calendar
622:Hindu calendar
617:
614:
518:. The Swedish
482:
481:
432:
430:
423:
417:
414:
411:
410:
407:
404:
399:
394:
389:
386:
381:
376:
371:
369:1st century BC
366:
362:
361:
358:
355:
350:
345:
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332:
327:
322:
320:1st century BC
317:
313:
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80:
77:
15:
9:
6:
4:
3:
2:
1785:
1774:
1773:Units of time
1771:
1769:
1766:
1764:
1761:
1760:
1758:
1743:
1740:
1738:
1735:
1733:
1730:
1728:
1725:
1723:
1720:
1718:
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1713:
1710:
1706:
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1702:
1701:
1698:
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1693:
1692:
1690:
1686:
1680:
1677:
1675:
1672:
1670:
1667:
1665:
1662:
1660:
1657:
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1652:
1650:
1647:
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1642:
1640:
1637:
1635:
1632:
1630:
1627:
1625:
1622:
1620:
1617:
1615:
1612:
1610:
1607:
1605:
1602:
1600:
1597:
1595:
1592:
1590:
1587:
1586:
1584:
1582:
1581:units of time
1577:
1571:
1570:Sidereal time
1568:
1566:
1563:
1561:
1558:
1556:
1555:Galactic year
1553:
1552:
1550:
1548:
1544:
1538:
1535:
1533:
1530:
1528:
1525:
1524:
1522:
1518:
1512:
1511:Weekday names
1509:
1507:
1504:
1502:
1501:Tropical year
1499:
1497:
1494:
1492:
1489:
1487:
1484:
1482:
1479:
1477:
1474:
1472:
1469:
1467:
1466:Intercalation
1464:
1462:
1459:
1457:
1454:
1452:
1449:
1447:
1444:
1442:
1439:
1437:
1434:
1432:(lunar Hijri)
1431:
1428:
1426:
1423:
1421:
1418:
1416:
1413:
1411:
1408:
1407:
1405:
1403:
1399:
1393:
1390:
1388:
1385:
1383:
1380:
1378:
1375:
1373:
1370:
1368:
1365:
1361:
1358:
1357:
1356:
1353:
1351:
1348:
1346:
1343:
1341:
1338:
1336:
1333:
1331:
1328:
1326:
1323:
1321:
1318:
1316:
1313:
1311:
1308:
1307:
1305:
1303:
1299:
1293:
1290:
1288:
1285:
1283:
1280:
1278:
1275:
1273:
1272:Time dilation
1270:
1268:
1265:
1263:
1260:
1258:
1255:
1253:
1250:
1248:
1245:
1243:
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1224:
1222:
1220:
1216:
1210:
1207:
1205:
1202:
1200:
1197:
1196:
1194:
1190:
1185:
1179:
1169:
1166:
1164:
1161:
1159:
1156:
1154:
1151:
1149:
1146:
1144:
1141:
1139:
1136:
1134:
1131:
1129:
1126:
1124:
1121:
1119:
1116:
1114:
1111:
1109:
1108:24-hour clock
1106:
1104:
1103:12-hour clock
1101:
1099:
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1069:
1066:
1062:
1059:
1058:
1057:
1054:
1053:
1051:
1047:
1041:
1038:
1036:
1033:
1031:
1028:
1027:
1024:
1020:
1016:
1009:
1004:
1002:
997:
995:
990:
989:
986:
979:
975:
971:
970:
966:
965:
945:
939:
923:
919:
913:
905:
899:
891:
885:
870:
866:
860:
844:
840:
836:
830:
815:
811:
805:
789:
785:
781:
775:
760:
756:
750:
742:
736:
732:
717:
713:
708:
704:
694:
691:
689:
686:
684:
681:
679:
676:
674:
671:
669:
666:
664:
661:
659:
656:
654:
651:
649:
648:Before Christ
646:
644:
641:
639:
636:
635:
629:
627:
623:
613:
610:
605:
604:
599:
594:
588:
587:n-hundratalet
582:
576:
570:
564:
558:
552:
546:
542:), Norwegian
540:
534:
528:
522:
517:
513:
509:
505:
501:
497:
493:
489:
478:
475:
467:
457:
453:
449:
443:
442:
438:
433:This section
431:
427:
422:
421:
408:
406:22nd century
403:
398:
393:
387:
385:
380:
375:
370:
364:
363:
359:
357:22nd century
354:
349:
344:
338:
336:
331:
326:
321:
315:
314:
310:
307:
304:
301:
298:
295:
293:
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275:
272:
270:
267:
264:
262:
259:
257:
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252:
249:
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244:
241:
239:
236:
234:
231:
229:
226:
224:
221:
218:
216:
213:
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208:
206:
203:
201:
198:
195:
193:
190:
188:
185:
183:
180:
178:
175:
172:
171:
165:
163:
159:
155:
150:
148:
144:
140:
136:
132:
127:
125:
121:
117:
113:
109:
105:
101:
98:, ended with
97:
93:
88:
86:
76:
74:
69:
68:
64:
60:
56:
53:
49:
45:
41:
37:
33:
26:
22:
1763:100 (number)
1717:Decimal time
1668:
1446:Astronomical
1325:Complication
1320:Atomic clock
974:Ruth Freitag
968:
962:Bibliography
947:. Retrieved
938:
926:. Retrieved
922:the original
912:
898:
884:
872:. Retrieved
868:
859:
847:. Retrieved
843:the original
839:L.E. Doggett
838:
829:
817:. Retrieved
813:
804:
792:. Retrieved
788:the original
783:
774:
762:. Retrieved
758:
749:
735:
707:
619:
601:
597:
596:rather than
575:1900-as Ă©vek
491:
487:
485:
470:
461:
446:Please help
434:
402:21st century
397:20th century
392:19th century
353:21st century
348:20th century
343:19th century
151:
138:
134:
130:
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119:
115:
107:
89:
82:
70:
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1727:System time
1722:Metric time
1441:Solar Hijri
1367:Water clock
1350:Radio clock
1282:Time domain
1262:Proper time
1148:Leap second
1030:Chronometry
949:4 September
928:4 September
835:"Calendars"
764:23 November
719:millennium.
673:Middle Ages
554:), Finnish
551:1900-tallet
384:3rd century
379:2nd century
374:1st century
335:3rd century
330:2nd century
325:1st century
59:one hundred
1757:Categories
1742:Timekeeper
1695:Chronology
1679:Millennium
1565:Precession
1471:Julian day
1292:T-symmetry
1153:Solar time
1123:Civil time
794:20 January
727:References
683:Modern era
678:Millennium
653:Common Era
598:1600-talet
530:), Danish
527:1900-talet
73:centennial
57:, meaning
1768:Centuries
1639:Fortnight
1486:Lunisolar
1476:Leap year
1410:Gregorian
1360:stopwatch
1335:Hourglass
1315:Astrarium
1232:Spacetime
1163:Time zone
1040:Metrology
1019:standards
780:"century"
563:1900-luku
516:Hungarian
508:Icelandic
504:Norwegian
435:does not
162:year zero
44:ordinally
1700:Duration
1674:Saeculum
1654:Olympiad
1496:Solstice
1425:Holocene
1402:Calendar
1302:Horology
1093:ISO 8601
1088:ISO 31-1
874:27 April
849:27 April
819:27 April
688:Saeculum
632:See also
464:May 2016
365:Popular
158:ISO 8601
1669:Century
1659:Lustrum
1589:Instant
1461:Equinox
1430:Islamic
1372:Sundial
1237:Chronon
668:Lustrum
512:Finnish
496:Swedish
456:removed
441:sources
316:Strict
63:Century
48:century
40:decades
32:century
1664:Decade
1619:Moment
1614:Minute
1609:Second
1579:Other
1436:Julian
1415:Hebrew
1061:offset
658:Decade
500:Danish
100:AD 100
55:centum
38:or 10
1705:music
1644:Month
1604:Jiffy
1599:Shake
1594:Flick
1491:Solar
1481:Lunar
1456:Epact
1420:Hindu
1355:Watch
1310:Clock
699:Notes
492:1900s
308:2102
305:2101
302:2100
299:2099
173:Year
141:, in
85:years
52:Latin
36:years
1649:Year
1634:Week
1624:Hour
1078:DUT1
1017:and
951:2013
930:2013
876:2021
851:2021
821:2021
796:2021
766:2020
714:and
693:Year
572:(or
560:(or
548:(or
536:(or
524:(or
514:and
439:any
437:cite
409:...
388:...
360:...
339:...
311:...
296:...
292:2024
288:...
284:2002
279:2001
274:2000
269:1999
265:...
261:1902
256:1901
251:1900
246:1899
242:...
219:...
196:...
182:1 BC
177:2 BC
156:and
139:1999
135:1900
124:2000
120:1901
116:100n
112:1 BC
96:AD 1
23:and
1629:Day
450:by
238:202
233:201
228:200
223:199
215:102
210:101
205:100
137:to
122:to
104:200
61:.
1759::
1073:ΔT
1068:UT
976:,
972:,
867:.
837:.
812:.
782:.
757:.
716:CE
712:AD
606:,
510:,
506:,
502:,
498:,
200:99
92:AD
71:A
67:c.
30:A
1007:e
1000:t
993:v
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462:(
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192:2
187:1
131:n
108:n
27:.
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