W3DIFDAT

The W3DIFDAT routine returns a time interval between two dates.

USAGE:  CALL W3DIFDAT(JDAT,IDAT,IT,RINC)

   Input variables:
      JDAT       INTEGER (8) NCEP ABSOLUTE DATE AND TIME
                 (YEAR, MONTH, DAY, TIME ZONE,
                 HOUR, MINUTE, SECOND, MILLISECOND)
      IDAT       INTEGER (8) NCEP ABSOLUTE DATE AND TIME
                 (YEAR, MONTH, DAY, TIME ZONE,
                 HOUR, MINUTE, SECOND, MILLISECOND)
      IT         INTEGER RELATIVE TIME INTERVAL FORMAT TYPE
                 (-1 FOR FIRST REDUCED TYPE (HOURS ALWAYS POSITIVE),
                   0 FOR SECOND REDUCED TYPE (HOURS CAN BE NEGATIVE),
                   1 FOR DAYS ONLY, 2 FOR HOURS ONLY, 3 FOR MINUTES ONLY,
                   4 FOR SECONDS ONLY, 5 FOR MILLISECONDS ONLY)

   Output variables:
      RINC       REAL (5) NCEP RELATIVE TIME INTERVAL
                 (DAYS, HOURS, MINUTES, SECONDS, MILLISECONDS)
                 (TIME INTERVAL IS POSITIVE IF JDAT IS LATER THAN IDAT.)

 
W3lib.tar Library contains Fortran 90 decoder/encoder routines for GRIB edition 1. (Fortran90)
Date posted: 2/22/2007