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RDF Terms

normalized date value

valeur normalisée de la date

valor normalizado de fecha

Machine readable representation of the date based on a public technical standard.

Corresponds to RiC-A29 (Normalized Date attribute)

1550,1551,1553,1555 (a date set in EDTF, meaning one of the years 1550, 1551, 1553, 1555)

1948-03 (an ISO 8601 form of a single date)

1948-03-08 (an ISO 8601 form of a single date)

1948-03~ (a single date in ETDF, meaning March 1948 approximately)

1948/ (a date range in EDTF, starting in 1948, end unknown)

1948/.. (an open date range in EDTF, starting in 1948)

2012-02-14/2015-03-08 (an ISO 8601 form of a date range)

2012/2015-03 (an ISO 8601 form of a date range)

{1550,1551,1553,1555} (a date set in EDTF, meaning all of the years 1550, 1551, 1553, 1555)

{1805,1815..1820} (a date set in EDTF, meaning all of the years 1805, 1815, 1816, 1817, 1818, 1819, 1820)

Used to represent the date in a standardized format that can be processed programmatically. The main standard used today is ISO 8601, which is based on the Gregorian calendar. See also the Extended Date Time Format (EDTF), which is an extension of ISO 8601, and enables, among other features, to represent a date set, and to indicate the date is approximate.