<?php
		$a = strtotime('1980-01-01 00:00');
		$b = strtotime('1990-01-01 00:00');
		$c = rand($a,$b);
		$d = date('Y-m-d H:m', $c);
		echo $c . '<br>';
		echo $d;
	?>  $date = new DateTime("2010-07-05T06:00:00Z", new DateTimeZone("Europe/Amsterdam"));php.net/manual/ru/refs.calendar.php