--TEST-- Bug #34771 (strtotime() fails with 1-12am/pm) --FILE-- <?php date_default_timezone_set("UTC"); $tests = array( '12am', '1am', '1pm', '12a.m.', '1a.m.', '1p.m.', '12:00am', '1:00am', '1:00pm', '12:00a.m.', '1:00a.m.', '1:00p.m.' ); foreach ($tests as $test) { $t = strtotime("2005-12-22 ". $test); printf("%-10s => %s\n", $test, date(DATE_ISO8601, $t)); } ?> --EXPECT-- 12am => 2005-12-22T00:00:00+0000 1am => 2005-12-22T01:00:00+0000 1pm => 2005-12-22T13:00:00+0000 12a.m. => 2005-12-22T00:00:00+0000 1a.m. => 2005-12-22T01:00:00+0000 1p.m. => 2005-12-22T13:00:00+0000 12:00am => 2005-12-22T00:00:00+0000 1:00am => 2005-12-22T01:00:00+0000 1:00pm => 2005-12-22T13:00:00+0000 12:00a.m. => 2005-12-22T00:00:00+0000 1:00a.m. => 2005-12-22T01:00:00+0000 1:00p.m. => 2005-12-22T13:00:00+0000