Bug #60970 [Opn->Nab]: Wrong calculation of date() function from epoch

Edit report at https://bugs.php.net/bug.php?id=60970&edit=1 ID: 60970 Updated by: derick@php.net Reported by: gdarcan at gmail dot com Summary: Wrong calculation of date() function from epoch -Status: Open +Status: Not a bug Type: Bug Package: Date/time related Operating System: both Win7-64b and FreeBSD amd64 PHP Version: 5.3.10 Block user comment: N Private report: N New Comment: We are happy to tell you that you just discovered Daylight Savings Time. For more information see: http://webexhibits.org/daylightsaving/b.html Instead of using mktime/date consider using gmmktime and gmdate which do not suffer from DST. . Previous Comments: ------------------------------------------------------------------------ [2012-02-03 13:51:13] gdarcan at gmail dot com Description: ------------ After 2011-10-30 03:59:59, there should be 2011-10-30 04:00:00 there should not be 2011-10-30 03:00:00 Test script: --------------- <?php $t1 = "1319936371"; for ($i=0;$i<100;$i++) { $t = $t1+$i; echo date("Y-m-d H:i:s", $t)."<br>"; } ?> Expected result: ---------------- ... ... 1319936397 2011-10-30 03:59:57 1319936398 2011-10-30 03:59:58 1319936399 2011-10-30 03:59:59 1319936400 2011-10-30 04:00:00 1319936401 2011-10-30 04:00:01 1319936402 2011-10-30 04:00:02 ... ... Actual result: -------------- ... ... 1319936397 2011-10-30 03:59:57 1319936398 2011-10-30 03:59:58 1319936399 2011-10-30 03:59:59 1319936400 2011-10-30 03:00:00 1319936401 2011-10-30 03:00:01 1319936402 2011-10-30 03:00:02 ... ... ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=60970&edit=1