Returns true if and only if the starting instant of $arg1 is
greater than the starting instant of $arg2. Returns false
otherwise.
xs:date values. Also used in the
definition of the "le" operator.op:date-greater-than( $arg1 as xs:date,$arg2 as xs:datexs:booleanThe function call op:date-greater-than($A, $B) is defined to return the
same result as op:date-less-than($B, $A)
The expression op:date-greater-than(xs:date("2004-12-25Z"),
xs:date("2004-12-25+07:00")) returns true().
The expression op:date-greater-than(xs:date("2004-12-25-12:00"),
xs:date("2004-12-26+12:00")) returns false().