$weekStart = date('Y-m-d H:i:s', strtotime(date('Y').'W'.date('W').'1')); $weekEnd = date('Y-m-d H:i:s', strtotime(date('Y').'W'.date('W').'7')); // или так $current_week_start = date("d.m.Y", strtotime("last Monday")); $current_week_end = date("d.m.Y", strtotime("Sunday")); // для любого timestamp $firstWeek; $firstWeekStart= date(("d.m.Y" , strtotime("Monday",$firstWeek)); $firstWeekEnd= date(("d.m.Y" , strtotime("Sunday",$firstWeek));