(:*******************************************************:)
(:Test: op-subtract-times-8                              :)
(:Written By: Carmelo Montanez                           :)
(:Date: June 27, 2005                                    :)
(:Purpose: Evaluates The "subtract-times" function that  :)
(:returns a negative value.                              :)
(:*******************************************************:)
 
(xs:time("13:00:00Z") - xs:time("17:00:00Z"))