Returns the daynumber since since noon 4713 BC January 1 for a given Gregorian date.
#include <date.au3>
_DateToDayValue ( $iYear, $iMonth, $iDay )
Parameters
| $iYear | A valid year in format YYYY |
| $iMonth | A valid month in format MM |
| $iDay | A valid day in format DD |
Return Value
| Success: | Returns the Juliandate (days since noon 4713 BC January 1) |
| Failure: | 0 |
| @Error: | 0 = No error. |
| 1 = Invalid Input Date |
Remarks
None.
Related
_DayValueToDate, _DateAdd, _DateDiff
Example
#include <Date.au3>
; Julian date of today.
$sJulDate = _DateToDayValue (@YEAR, @MON, @MDAY)
MsgBox(4096, "", "Todays Julian date is: " & $sJulDate)
; 14 days ago calculation.
Dim $Y, $M, $D
$sJulDate = _DayValueToDate ($sJulDate-14, $Y, $M, $D)
MsgBox(4096, "", "14 days ago:" & $M & "/" & $D & "/" & $Y)