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function  

ymdhms-julian-day-count

 
 

Library: Date and time functions (OMDATE)
Include: omdate.xin
Return type: Integer

Returns: Returns the Julian day of the specified date, with 1 January being day number 1 (one).


Declaration

define integer function ymdhms-julian-day-count value string ymd

Argument definitions

ymd
a date in "YYYYMMDD" format


Purpose

This function takes a date in "YYYYMMDD" format and returns the "Julian day" -- the number of the day within the year, with 1 January being day number 1 (one). The argument for this function can be longer, but the part beyond the date is ignored.

Example


  include "omdate.xin"
  process
     output "Julian day number of today = "  
        || "d" % (ymdhms-julian-day-count now-as-ymdhms) 
        || "%n"
  ; Result of this code, run on Feb. 19, 2001:
  ;    Julian day number of today = 50

        Other Library Functions
   add-to-ymdhms
   arpadate-to-ymdhms
   format-ymdhms
   now-as-ymdhms
   round-down-ymdhms
   round-up-ymdhms
   ymdhms-adjust-time-zone
   ymdhms-day-difference
   ymdhms-julian-day-count
   ymdhms-month-difference
   ymdhms-second-difference
   ymdhms-to-arpadate
   ymd-weekday
 
 

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OmniMark 8.2.0 Documentation Generated: March 13, 2008 at 3:27:39 pm
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