Are you trying to figure out how much time there is until 4:20? 4:20 4:20 AM Countdown to 4:20 AM: Days Hours Minutes Seconds Did you mean 4:20 PM? Count Down to Another Time Time: Date: Similar Countdown Timers How long until 4:25 AM? How long until 4:30 AM? How long until 4:35 AM? How long until 4:40 AM? How long until 4:45 AM?