SUNLIT -- Lists the sunrise and sunset times for the specified location
     SUNLIT date station
     SUNLIT date latitude longitude
Parameters:
     date | date of sunrise/sunset; valid formats include YYYYDDD,
            YYYY/MM/DD and DD/MON/YYYY (where YYYY, DDD, MM and DD are
            integers, and MON is 3 or 4 letters, e.g., JAN, JANU); you
            can also specify YES, TOD or TOM for yesterday, today or
            tomorrow (def=TOD)
     station | station identifier, e.g., KMSN, YSSY
     latitude | latitude for sunrise/sunset
     longitude | longitude of sunrise/sunset
Remarks:
     You must specify either a station identifier or earth
     (latitude/longitude) coordinates.

     The local noon time is an approximate calculated by finding
     the midpoint of the sunrise and sunset times.

     Near the time of the soltices at high latitudes, use local
     time zone noon (UTC) for time of best illumination.
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