PHP: date - Manual

Introduction

<script type="text/javascript" src="php_date.js"></script>
<script type="text/javascript">
	var obj = new Date;

	alert(obj.format('Y-m-d H:i:s'));
	// 2005-08-15 15:52:01
	alert(obj.format(Date.ISO8601));
	// 2005-08-15T15:52:01+09:00
	alert(obj.format(Date.RFC822));
	// Mon, 15 Aug 05 15:52:01 +0900

	alert(obj.format(Date.ISO8601));
	// 2005-08-15T15:52:01+09:00
	alert(obj.format(Date.RFC822));
	// Mon, 15 Aug 05 15:52:01 +0900

	alert(Date.parse('2005-08-15T15:52:01+09:00'));
	// 1124088721000
	alert(Date.parse('Wed, 19 Aug 09 00:12:58 +0900'));
	// 1250608378000

	alert(obj.format('Y-m-d H:i:s', 1124088721000));
	// 2005-08-15 15:52:01
	alert(obj.format('Y-m-d H:i:s', '2009-12-20T18:32:31+00:00'));
	// 2009-12-20 09:32:31
</script>