"The date-time or interval during which an Event occurred. For occurrences, this is the date-time when the event was recorded. Not suitable for a time in a geological context. Recommended best practice is to use an encoding scheme, such as ISO 8601:2004(E)."@en . "DataSets/DataSet/Units/Unit/Gathering/ISODateTimeBegin" . . "Event Date"@en . . "2009-07-01" . . "Examples: \"1963-03-08T14:07-0600\" is 8 Mar 1963 2:07pm in the time zone six hours earlier than UTC, \"2009-02-20T08:40Z\" is 20 Feb 2009 8:40am UTC, \"1809-02-12\" is 12 Feb 1809, \"1906-06\" is Jun 1906, \"1971\" is just that year, \"2007-03-01T13:00:00Z/2008-05-11T15:30:00Z\" is the interval between 1 Mar 2007 1pm UTC and 11 May 2008 3:30pm UTC, \"2007-11-13/15\" is the interval between 13 Nov 2007 and 15 Nov 2007."@en . . "2009-04-24" . . . . "recommended" .