Century
"Centuries", "Centenary", "Centennial", and "Centennials" redirect here. For other uses, see Centuries (disambiguation), Centenary (disambiguation), Centennial (disambiguation), and Centennials (disambiguation).

A century (from the Latin centum, meaning one hundred) is one hundred consecutive years. Centuries are numbered ordinally in English and many other languages (e.g. "the 7th century AD/CE").

Contents

Start and end in the Gregorian Calendar

According to the Gregorian calendar, the 1st century AD/CE started on January 1, 1 and ended on December 31, 100. The 2nd century started at year 101, the 3rd at 201, etc. The n-th century started/will start on the year (100×n)-99 and ends in 100×n . A century will only include one year, the centennial year, that starts with the century's number (e.g. 1900 is the final year in the 19th century).

1st century BC and AD

There is no "zeroth century" in between the 1st century BC and the 1st century AD. Also, there is no year 0 AD.[1] The Julian calendar "jumps" from 1 BC to 1 AD. The first century BC includes the years 100 BC to 1 BC. Other centuries BC follow the same pattern.

Dating units in other calendar systems

Besides the Gregorian calendar, the Julian calendar, the Aztec calendar, and the Hindu calendar have cycles of years which are used to delineate whole time periods; the Hindu calendar, in particular, summarizes its years into groups of 60, while the Aztec calendar considers groups of 52.

Centuries in astronomical year numbering

Astronomical year numbering, used by astronomers, includes a year zero (0). Consequently, the 1st century in these calendars may designate the years 0 to 99 as the 1st century, years 100 to 199 as the second etc. However, in order to regard 2000 as the first year of the 21st century according to the astronomical year numbering, the astronomical year 0 has to correspond to the Gregorian year 1 BC.

Alternative naming systems

In Swedish, Danish, Norwegian and Finnish, centuries are typically not named ordinally, but according to the hundreds part of the year, and consequently centuries start at even multiples of 100. For example, Swedish nittonhundratalet (or 1900-talet), Danish and Norwegian nittenhundredetallet (or 1900-tallet) and Finnish tuhatyhdeksänsataaluku (or 1900-luku) refer unambiguously to the years 1900–1999. The same system is used informally in English. For example, the years 1900–1999 are sometimes referred to as the nineteen hundreds (1900s). This is similar to the English decade names (1980s, meaning the years 1980–1989).

Notes

  1. ^ Two separate systems that also do not use religious titles, the astronomical system and the ISO 8601 standard do use a year zero. The year 1 BC (identical to the year 1 BC) is represented as 0 in the astronomical system, and as 0000 in ISO 8601. Presently, ISO 8601 dating requires usage of the Gregorian calendar for all dates, however, whereas astronomical dating and Common Era dating allow usage of the Julian calendar for dates before 1582 AD.

References

  • The Battle of the Centuries, Ruth Freitag, U.S. Government Printing Office. Available from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250- 7954. Cite stock no. 030-001-00153-9.

See also


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  • Century — ist das englische Wort für „Jahrhundert“ (von lat. „centum“, für „Hundert“) und der Name mehrerer Orte in den Vereinigten Staaten: Century (Florida) Century (Georgia) Century (Pennsylvania) Century (West Virginia) Century City (Los Angeles)… …   Deutsch Wikipedia

  • Century — Cen tu*ry, n.; pl. {Centuries}. [L. centuria (in senses 1 & 3), fr. centum a hundred: cf. F. centurie. See {Cent}.] 1. A hundred; as, a century of sonnets; an aggregate of a hundred things. [Archaic.] [1913 Webster] And on it said a century of… …   The Collaborative International Dictionary of English

  • century — 1. The start of a new millennium makes everyone aware of the difficulty of reckoning when a century (let alone a millennium) truly begins and ends. In arithmetical terms, the 21st century should be reckoned as having begun on 1 January 2001,… …   Modern English usage

  • century — [sen′chə rē, sen′shərē] n. pl. centuries [L centuria < centum, HUNDRED] 1. any period of 100 years, as from 1620 to 1720 2. a period of 100 years reckoned from a certain time, esp. from the beginning of the Christian Era (A.D. 1) [A.D. 1… …   English World dictionary

  • Century — Saltar a navegación, búsqueda Century fue una banda francesa de la década de los 80 de rock formada en Marsella en 1979. Liderada por el cantante y compositor Jean Duperron, Century es probablemente más conocida por el single Lover Why del álbum… …   Wikipedia Español

  • Century — Century, FL U.S. town in Florida Population (2000): 1714 Housing Units (2000): 800 Land area (2000): 3.280645 sq. miles (8.496830 sq. km) Water area (2000): 0.060760 sq. miles (0.157367 sq. km) Total area (2000): 3.341405 sq. miles (8.654197 sq.… …   StarDict's U.S. Gazetteer Places

  • century — ► NOUN (pl. centuries) 1) a period of one hundred years. 2) a batsman s score of a hundred runs in cricket. 3) a company of a hundred men in the ancient Roman army. USAGE Strictly speaking, centuries run from 01 to 100, meaning that the new… …   English terms dictionary

  • century — 1530s, one hundred (of anything), from L. centuria group of one hundred (including a measure of land and a division of the Roman army, one sixteenth of a legion, headed by a centurion), from centum hundred (see HUNDRED (Cf. hundred)) on analogy… …   Etymology dictionary

  • Century — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Century, terme anglais signifiant siècle, se retrouve dans : Sommaire 1 Toponymes 2 Musique …   Wikipédia en Français

  • century — noun ADJECTIVE ▪ 19th, 20th, etc. ▪ It was built in the 20th century. ▪ a 17th century building ▪ earlier, last …   Collocations dictionary

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