How long until 3:40 AM?
Counting down to 3:40 AM? This is the small-hours part of the day, when night workers, travelers and night owls tend to watch the clock. The live timer below tracks every second left until 3:40 AM.
Counting down to 3:40 AM
The wait time for 3:40 AM, unit by unit
How many hours until 3:40 AM?
–How many minutes until 3:40 AM?
–How many seconds until 3:40 AM?
–How much longer until 3:40 AM?
–Totals refresh every second and count full units only. If 3:40 AM has passed for today, they count toward tomorrow.
About 3:40 AM
On a 24-hour clock 3:40 AM is written 03:40, and in military time it becomes 0340, read as "zero three forty." By 3:40 AM, 15.3% of the day has gone by, with 20 hours and 20 minutes left before midnight.
- 24-hour clock
- 03:40
- Military time
- 0340 hours
- Minutes after midnight
- 220
- Share of the day passed
- 15.3%
- Part of the day
- Late night
- Twelve hours away
- 3:40 PM
Count down to another time or date
Countdowns to nearby times
Every five minutes in the 3 AM hour
More times to count down to
Days of the week
Questions about 3:40 AM
What is 3:40 AM in 24-hour time?
3:40 AM is 03:40 on a 24-hour clock. In military time it is written 0340 and read aloud as "zero three forty."
What if 3:40 AM has already passed today?
The countdown switches to 3:40 AM tomorrow on its own and says so under the timer, so you never see a negative number.
How many minutes after midnight is 3:40 AM?
3:40 AM is 220 minutes after midnight, so 15.3% of the day is already behind you by then.
Does the 3:40 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 3:40 AM.