$to = CarbonCarbon::createFromFormat('Y-m-d H:s:i', '2015-5-5 3:30:34'); $from = CarbonCarbon::createFromFormat('Y-m-d H:s:i', '2016-6-6 9:30:34'); $diff_in_months = $to->diffInMonths($from); print_r($diff_in_months); // Output: 1