Bug #63391 [Com]: [PATCH] Incorrect/inconsistent day of week prior to the year 1600

Edit report at https://bugs.php.net/bug.php?id=63391&edit=1 ID: 63391 Comment by: tcarter at noggin dot com dot au Reported by: tcarter at noggin dot com dot au Summary: [PATCH] Incorrect/inconsistent day of week prior to the year 1600 Status: Feedback Type: Bug Package: Date/time related Operating System: Linux (x86_64) PHP Version: 5.4.8 Block user comment: N Private report: N New Comment: Sorry, forgot to attach the patch, uploaded now. I've tested this (against the linux date command) for every day from the year 0000 to the year 2050 Previous Comments: ------------------------------------------------------------------------ [2013-11-27 17:18:51] derick@php.net Your subject seems to have [PATCH] in it, but I can't see where you have that patch. Could you attach it here or provide a link? ------------------------------------------------------------------------ [2012-10-30 01:44:22] tcarter at noggin dot com dot au Description: ------------ PHP timelib calculates the day of the week incorrectly for dates prior to the 1st of January 1600. Test script: --------------- <?php ini_set('date.timezone', 'UTC'); print "Date PHP OS\n"; print "---------- --- ---\n"; $dates = array('1599-12-30', '1599-12-31', '1600-01-01', '1600-01-02'); foreach ($dates as $date) { print strftime( "%Y-%m-%d %a ", strtotime($date) ) . env TZ=UTC date --date=$date +%a; } ?> Expected result: ---------------- Date PHP OS ---------- --- --- 1599-12-30 Thu Thu 1599-12-31 Fri Fri 1600-01-01 Sat Sat 1600-01-02 Sun Sun Actual result: -------------- Date PHP OS ---------- --- --- 1599-12-30 Fri Thu 1599-12-31 Sat Fri 1600-01-01 Sat Sat 1600-01-02 Sun Sun ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=63391&edit=1