is-leap-year

is-leap-year()

Returns true if the year of the dateTime value passed as the argument is a leap year. If the argument is not a dateTime but a numeric, returns true if the integer part of this value corresponds to a year that is a leap year. Returns false otherwise.

Parameters

This predicate has no parameters.

Kind: Predicate
Scope: temporal
Aliases: leap-year, dateTime-is-leap-year