DATEVALUE

10:30:13 Converts a date in the form of text to a serial number.
10:30:13 Warning: The PhpSpreadsheet DATEVALUE() function accepts a wider range of date formats than MS Excel DATEFORMAT() function.
10:30:13 Date String: 26 March 2012
10:30:13 Formula: =DATEVALUE(A1)
10:30:13 Excel DateStamp: 40994
10:30:13 Formatted DateStamp2012-Mar-26
10:30:13
10:30:13 Date String: 29 Feb 2012
10:30:13 Formula: =DATEVALUE(A2)
10:30:13 Excel DateStamp: 40968
10:30:13 Formatted DateStamp2012-Feb-29
10:30:13
10:30:13 Date String: April 1, 2012
10:30:13 Formula: =DATEVALUE(A3)
10:30:13 Excel DateStamp: 41000
10:30:13 Formatted DateStamp2012-Apr-01
10:30:13
10:30:13 Date String: 25/12/2012
10:30:13 Formula: =DATEVALUE(A4)
10:30:13 Excel DateStamp: 41268
10:30:13 Formatted DateStamp2012-Dec-25
10:30:13
10:30:13 Date String: 2012-Oct-31
10:30:13 Formula: =DATEVALUE(A5)
10:30:13 Excel DateStamp: 41213
10:30:13 Formatted DateStamp2012-Oct-31
10:30:13
10:30:13 Date String: 5th November
10:30:13 Formula: =DATEVALUE(A6)
10:30:13 Excel DateStamp: 43409
10:30:13 Formatted DateStamp2018-Nov-05
10:30:13
10:30:13 Date String: January 1st
10:30:13 Formula: =DATEVALUE(A7)
10:30:13 Excel DateStamp: 43101
10:30:13 Formatted DateStamp2018-Jan-01
10:30:13
10:30:13 Date String: April 2012
10:30:13 Formula: =DATEVALUE(A8)
10:30:13 Excel DateStamp: 41000
10:30:13 Formatted DateStamp2012-Apr-01
10:30:13
10:30:13 Date String: 17-03
10:30:13 Formula: =DATEVALUE(A9)
10:30:13 Excel DateStamp: 43176
10:30:13 Formatted DateStamp2018-Mar-17
10:30:13
10:30:13 Date String: 03-2012
10:30:13 Formula: =DATEVALUE(A10)
10:30:13 Excel DateStamp: 40969
10:30:13 Formatted DateStamp2012-Mar-01
10:30:13
10:30:13 Date String: 29 Feb 2011
10:30:13 Formula: =DATEVALUE(A11)
10:30:13 Excel DateStamp: #VALUE!
10:30:13 Formatted DateStamp#VALUE!
10:30:13
10:30:13 Date String: 03-05-07
10:30:13 Formula: =DATEVALUE(A12)
10:30:13 Excel DateStamp: 39205
10:30:13 Formatted DateStamp2007-May-03
10:30:13
10:30:13 Date String: 03-MAY-07
10:30:13 Formula: =DATEVALUE(A13)
10:30:13 Excel DateStamp: 39205
10:30:13 Formatted DateStamp2007-May-03
10:30:13
10:30:13 Date String: 03-13-07
10:30:13 Formula: =DATEVALUE(A14)
10:30:13 Excel DateStamp: 41340
10:30:13 Formatted DateStamp2013-Mar-07
10:30:13