PROCEDURE Main()

   LOCAL dDate
   LOCAL A

   Set( _SET_DATEFORMAT, "yyyy-mm-dd" )

   dDate := 0d20051112
   ? "Should be '2005-11-12' :", dDate

   dDate := 0d18341112
   ? "Should be '1834-11-12' :", dDate

   dDate := 0d20040229 + 1
   ? "Should be '2004-03-01' :", dDate

   dDate := 0d20040229 - 1
   ? "Should be '2004-02-28' :", dDate

   ? "Should be '4' :", 0d20040229 - 0d20040225
   ? "Should be '0' :", 0d20040229 - 0d20040229

   dDate := 0d20000229
   ? "Should be '2000-02-29' :", dDate

   a := "0d20040229+1"
   ? "Should be '2004-03-01' :", &a

   a := "Date() - 0d20051112"
   ? "Number of days from 2005-11-12:", &a

   RETURN