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<?php ini_set('date.timezone', 'Europe/Prague'); $dt = new DateTime('2014-03-29 12:00:00', new DateTimeZone('Europe/Prague')); $dt_t = $dt->format('U'); echo $dt->format('c').' '.date('c', $dt_t)."\r\n"; $dt = $dt->modify('+1 day'); $dt_t += 86400; echo $dt->format('c').' '.date('c', $dt_t)."\r\n";

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