carbon format diff code example
Example 1: carbon add minutes
Carbon::now()->addMinutes($minutes)->timestamp;
Example 2: carbon add few hours
Carbon::now('UTC')->addHour($hours)->format('Y-m-d H:i:s')
Carbon::now()->addMinutes($minutes)->timestamp;
Carbon::now('UTC')->addHour($hours)->format('Y-m-d H:i:s')