"A point or period of time associated with an event in the lifecycle of the resource."@en . . "2008-01-14"^^ . "2008-01-14"^^ . . . . . "Date may be used to express temporal information at any level of granularity. Recommended best practice is to use an encoding scheme, such as the W3CDTF profile of ISO 8601 [W3CDTF]."@en . "Date"@en .