%%Package
DateToTimeStamp
%

%%KnowledgeBase 
  
%

%%QuickInterview 
  
%

%%Question
QuestionDate [date]
UnixStart [date]
QuestionNum [num]
%

%%Property
QuestionNum.unit = ms
%

%%Variable 
  UnixStart = #1970-01-01#
%

%%Rule
IF now = known
THEN QuestionNum = eval(now - UnixStart)
%