datecon

Source: utils/date_time/datecon.pro

 DATECON
        Given year and doy returns month and date.

 Usage:
        datecon, year, day, month, date

 Arguments:
        year    int     input   Year (only needed to check for Leap
                                Year).
        day     int     input   Day of year.
        month   string  output  The month in which day lies.
        date    int     output  The day of the month of day.

 Keywords:
        monthno int     output  Month number.

 Restrictions:
        Year must be scalar. Fails for non-400 centuries. Out of range
        day will crash.

 History:
        Original: 16/2/95; SJT