Persian Calendar (Jalali calendar)

[pars]

Hi

 

I want to customize the OSC to show the Persian calendar (jalali) instead of Georgian. I already have ?the Gregorian to Jalali and inverse date converter? which is in php format.

What should I do for this issue? Would you please help me?

[pars]

/* This file is part of:

* Jalali, a Gregorian to Jalali and inverse date convertor

* Copyright © 2001, 2002 Roozbeh Pournader <[email protected]>

* Copyright © 2001, 2002 Mohammad Toossi <[email protected]>

*

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU Lesser General Public

* License as published by the Free Software Foundation; either

* version 2.1 of the License, or (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

* Lesser General Public License for more details.

*

* You can receive a copy of GNU Lesser General Public License at the

* World Wide Web address <

http://www.gnu.org/licenses/lgpl.html>.

*

* For licensing issues, contact The FarsiWeb Project Group,

* Computing Center, Sharif University of Technology,

* PO Box 11365-8515, Tehran, Iran, or contact us the

* email address <[email protected]>.

*/

 

/* Changes:

*

* 2002-Feb-19:

* Added PHP header and tailer

* 2002-Jan-28:

* First LGPL release

*/

 

<?php

 

$g_days_in_month = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

$j_days_in_month = array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29);

$j_month_name = array("", "Farvardin", "Ordibehesht", "Khordad", "Tir",

"Mordad", "Shahrivar", "Mehr", "Aban", "Azar",

"Dey", "Bahman", "Esfand");

 

function div($a, $B)

{

return (int) ($a / $B);

}

 

function gregorian_to_jalali($g_y, $g_m, $g_d)

{

global $g_days_in_month;

global $j_days_in_month;

 

$gy = $g_y-1600;

$gm = $g_m-1;

$gd = $g_d-1;

 

$g_day_no = 365*$gy+div($gy+3,4)-div($gy+99,100)+div($gy+399,400);

 

for ($i=0; $i < $gm; ++$i)

$g_day_no += $g_days_in_month[$i];

if ($gm>1 && (($gy%4==0 && $gy%100!=0) || ($gy%400==0)))

/* leap and after Feb */

++$g_day_no;

$g_day_no += $gd;

 

$j_day_no = $g_day_no-79;

 

$j_np = div($j_day_no, 12053);

$j_day_no %= 12053;

 

$jy = 979+33*$j_np+4*div($j_day_no,1461);

 

$j_day_no %= 1461;

 

if ($j_day_no >= 366) {

$jy += div($j_day_no-1, 365);

$j_day_no = ($j_day_no-1)%365;

}

 

for ($i = 0; $i < 11 && $j_day_no >= $j_days_in_month[$i]; ++$i) {

$j_day_no -= $j_days_in_month[$i];

}

$jm = $i+1;

$jd = $j_day_no+1;

 

 

return array($jy, $jm, $jd);

}

 

function farsinum($str)

{

if (strlen($str) == 1)

$str = "0".$str;

$out = "";

for ($i = 0; $i < strlen($str); ++$i) {

$c = substr($str, $i, 1);

$out .= pack("C*", 0xDB, 0xB0 + $c);

}

return $out;

}

 

function date_format($datestamp)

{

$tzoffset = 0;

list($date,$time) = explode(" ",$datestamp);

list($year,$month,$day) = explode("-",$date);

list($hour,$minute,$second) = explode(":",$time);

$hour = $hour + $tzoffset;

 

list($jyear, $jmonth, $jday) = gregorian_to_jalali($year,$month,$day);

 

$sDate = farsinum($jyear - 1300)."/".farsinum($jmonth)."/".farsinum($jday)

."  ".farsinum($hour).":".farsinum($minute);

 

return "<span lang='fa' dir='rtl'>" . $sDate . "</span>";

}

 

?>