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david7411

Datediff

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Hi

Is it Datediff function only work with year after 1900 ? I modified the Datediff function AutoIt example to test and it not work with year 1899 as follow:

#include <Date.au3>

; Calculated the number of seconds since EPOCH (1970/01/01 00:00:00)

;$iDateCalc = _DateDiff( 's',"1900/01/01 00:00:00",_NowCalc()) ; THIS WILL WORK FROM EXAMPLE

$iDateCalc = _DateDiff( 's',"1899/01/01 00:00:00",_NowCalc()) ; BUT NOT THIS

MsgBox( 4096, "", "Number of seconds since EPOCH: " & $iDateCalc & "error" & @Error )

; Calculated the number of Hours this year

$iDateCalc = _DateDiff( 'h',@YEAR & "/01/01 00:00:00",_NowCalc())

MsgBox( 4096, "", "Number of Hours this year: " & $iDateCalc )

B)

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Hi

Is it Datediff function only work with year after 1900 ?

Correct, _DateDiff() is using _DateIsValid() function to validate the input and this is one of the tests.


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