Are you trying to figure out how much time there is until 6:40? 6:40 6:40 PM Countdown to 6:40 PM: Days Hours Minutes Seconds Did you mean 6:40 AM? Count Down to Another Time Time: Date: Similar Countdown Timers How long until 6:45 PM? How long until 6:50 PM? How long until 6:55 PM? How long until 7:00 PM? How long until 7:05 PM?