3 SPDX-FileCopyrightText: 2024 Lady <https://www.ladys.computer/about/#lady>
 
   4 SPDX-License-Identifier: CC0-1.0
 
   6 <!DOCTYPE DatatypeProperty SYSTEM "../../DTD">
 
   8         <label xml:lang="en">date</label>
 
   9         <comment xml:lang="en">
 
  11                         A point or period of time associated with an event in the lifecycle of this thing.
 
  14                         <ptr target="(DCMI)"/> states:
 
  15                         « Recommended practice is to express the date, date/time, or period of time according to ISO 8601-1 [<ref target="https://www.iso.org/iso-8601-date-and-time-format.html">ISO 8601-1</ref>] or a published profile of the ISO standard, such as the W3C Note on Date and Time Formats [<ref target="https://www.w3.org/TR/NOTE-datetime">W3CDTF</ref>] or the Extended Date/Time Format Specification [<ref target="http://www.loc.gov/standards/datetime/">EDTF</ref>].
 
  16                         If the full date is unknown, month and year (YYYY-MM) or just year (YYYY) may be used.
 
  17                         Date ranges may be specified using ISO 8601 period of time specification in which start and end dates are separated by a '/' (slash) character.
 
  18                         Either the start or end date may be missing. »
 
  22                 <SpecificResource source="(DCMI)" fragment="http://purl.org/dc/terms/date"/>