How long until 4:20 AM?
4:20 AM falls in the quiet stretch after midnight. Whether you are finishing a night shift, waiting on a red-eye flight or simply cannot sleep, the timer below shows exactly how long until 4:20 AM on your clock.
Counting down to 4:20 AM
The wait time for 4:20 AM, unit by unit
How many hours until 4:20 AM?
–How many minutes until 4:20 AM?
–How many seconds until 4:20 AM?
–How much longer until 4:20 AM?
–Totals refresh every second and count full units only. If 4:20 AM has passed for today, they count toward tomorrow.
About 4:20 AM
On a 24-hour clock 4:20 AM is written 04:20, and in military time it becomes 0420, read as "zero four twenty." By 4:20 AM, 18.1% of the day has gone by, with 19 hours and 40 minutes left before midnight.
- 24-hour clock
- 04:20
- Military time
- 0420 hours
- Minutes after midnight
- 260
- Share of the day passed
- 18.1%
- Part of the day
- Late night
- Twelve hours away
- 4:20 PM
Count down to another time or date
Countdowns to nearby times
Every five minutes in the 4 AM hour
More times to count down to
Days of the week
Questions about 4:20 AM
What is 4:20 AM in 24-hour time?
4:20 AM is 04:20 on a 24-hour clock. In military time it is written 0420 and read aloud as "zero four twenty."
What if 4:20 AM has already passed today?
The countdown switches to 4:20 AM tomorrow on its own and says so under the timer, so you never see a negative number.
How many minutes after midnight is 4:20 AM?
4:20 AM is 260 minutes after midnight, so 18.1% of the day is already behind you by then.
Does the 4:20 AM countdown use my time zone?
Yes. It runs on your device's clock and time zone, so it reaches zero exactly when your own clock shows 4:20 AM.