Go to standard year
Standard excerpt:
year represents a timePeriod that starts at the midnight that starts the first day of the year and ends at the midnight that
ends the last day of the year. The value space of year is the set of Gregorian calendar years as defined in 5.2.1 of [ISO
8601]. The base type of year is timePeriod. year is generated from timePeriod by setting the value of the duration facet equal
to "P1Y" (the time duration of the specified year).
Examples:
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