date:leap-year

Returns true if the year given in a date is a leap year. If no argument is given, then the current local date/time, as returned by date:date-time is used as the default argument.

leap-year($date-time as string?) ➔ boolean

Arguments
	$date-time	string?	The input date-time
Result		boolean

Namespace

http://exslt.org/dates-and-times

Links to specifications

EXSLT Dates and Times Module