DocumentationMathematicaBuilt-in FunctionsSystem InterfaceSystem Parameters
$CreationDate
$CreationDate gives the date and time at which the particular release of the Mathematica kernel you are running was created.
$CreationDate is in the form year, month, day, hour, minute, second returned by Date. See Section 2.14.5. See also: $VersionNumber, $ReleaseNumber, FileDate, $InstallationDate. New in Version 2.
$CreationDate gives the date and time at which the particular release of the Mathematica kernel you are running was created. 
year, month, day, hour, minute, second
returned by Date. 
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