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xdmp.weekdayFromDate

xdmp.weekdayFromDate(
   $arg as Date?
) as Number?

Summary

Returns an xs:integer in the range 1 to 7, inclusive, representing the weekday value in the localized value of $arg. Monday is the first weekday value (value of 1), and Sunday is the last (value of 7).

If $arg is the empty sequence, returns the empty sequence.

Parameters
$arg The date whose weekday value will be returned.

Example

xdmp.weekdayFromDate(xs.date('2012-05-16'))
// Returns 3, representing Wednesday

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