$tgl_awal = date('H:i');

 $tgl_akhir = date('H:i',strtotime('23:39'));

 $hasil = date_diff(date_create($tgl_akhir),date_create($tgl_awal));

 dd($hasil);

 $jam = $hasil->h;

 $jam = $jam*60;

 $menit = $hasil->i;

 // dd($menit);

 $total = $jam + $menit;

 // dd($total);

 $sisa = $total / 10;

 dd(floor($sisa));