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Calendar System (CAL)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: cal.ttl
- Name
calendarSystem- Datatype
- Enumeration
- Definition
- A system used for reckoning time in which the beginning, length, and divisions of a year are defined.
- Description
- For example, Roman Catholicism has used the Gregorian Calendar since introducing it in 1582 C.E. The Gregorian Calendar is also widely used as a civil calendar. Many calendar systems are based on astronomical phenomena involving the sun and/or moon. A calendar system based only on the position of the sun with respect to the Earth is a pure solar calendar. A calendar system based only on lunar phenomena is a pure lunar calendar. A calendar system based on both solar and lunar phenomena is a lunisolar calendar. Some lunisolar calendars have divisions regulated by phases of the moon, with groups of additional days inserted periodically to achieve agreement with the length of the solar year; other lunisolar calendars have unequal divisions that distribute extra days to accommodate the length of the solar year.
- Accepted
- 2021-01-03
- Defined by
- NAS
- Values
- Used by
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.