Returns true if the first xs:time value represents a later
instant in time than the second, when both are treated as being times on the same date,
before adjusting the timezone.
xs:time values. Also used in the
definition of the "le" operator.op:time-greater-than( $arg1 as xs:time,$arg2 as xs:timexs:booleanThe function call op:time-greater-than($A, $B) is defined to return the
same result as op:time-less-than($B, $A)
The expression op:time-greater-than(xs:time("08:00:00+09:00"),
xs:time("17:00:00-06:00")) returns false().