Basic Information on julian

Task: julian
Purpose: Julian Day conversion
Categories: misc

JULIAN 

This task computes the Julian Day given an input date. The
reverse calculation, Julian Day to a formatted date, is also
possible. With no arguments, JULIAN will convert the current
date and time to Julian Day.
A modified julian day is also printed out, which is simply
JD - 2400000.5
For reference. MJD2000 = 51544.0, JD2000 = 2451544.5 

Key: date
The formatted date to convert. It must be one of the following forms:
              `yymmmdd.dd'                     (D)
      or:
              `dd/mm/yy'                       (F)
      or:
              `[yymmmdd:][hh[:mm[:ss.s]]]'     (H)
      or:
              `ccyy-mm-dd[Thh[:mm[:ss.s]]]'    (T)
      or:
              `dd-mmm-ccyy'                    (V)

Leave this input unspecified if you are converting from Julian Day
to date.

Key: jday
The Julian Day in floating point format. If given, the program
will convert it to a date, formatted by FORMAT keyword specification.
Leave this input unspecified if you are converting from date 
to Julian Day.

Key: format
The requested OUTPUT format for converting a Julian day to a 
date. It is indicated by a single letter [DFHTV], which corresponds 
to the date formats given above [default=H]. This input is ignored for 
date to Julian day conversions 

Key: options
quiet - report only the answer and not other info. Useful
        if you are using this program in a script.

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