How long until 8:21 AM?
Planning around 8:21 AM? Early mornings move fast, so the countdown below shows the hours, minutes and seconds left until 8:21 AM using your device's clock.
Counting down to 8:21 AM
The wait time for 8:21 AM, unit by unit
How many hours until 8:21 AM?
–How many minutes until 8:21 AM?
–How many seconds until 8:21 AM?
–How much longer until 8:21 AM?
–Totals refresh every second and count full units only. If 8:21 AM has passed for today, they count toward tomorrow.
About 8:21 AM
On a 24-hour clock 8:21 AM is written 08:21, and in military time it becomes 0821, read as "zero eight twenty-one." By 8:21 AM, 34.8% of the day has gone by, with 15 hours and 39 minutes left before midnight.
- 24-hour clock
- 08:21
- Military time
- 0821 hours
- Minutes after midnight
- 501
- Share of the day passed
- 34.8%
- Part of the day
- Early morning
- Twelve hours away
- 8:21 PM
Count down to another time or date
Countdowns to nearby times
Every five minutes in the 8 AM hour
More times to count down to
Days of the week
Questions about 8:21 AM
What is 8:21 AM in 24-hour time?
8:21 AM is 08:21 on a 24-hour clock. In military time it is written 0821 and read aloud as "zero eight twenty-one."
What if 8:21 AM has already passed today?
The countdown switches to 8:21 AM tomorrow on its own and says so under the timer, so you never see a negative number.
How many minutes after midnight is 8:21 AM?
8:21 AM is 501 minutes after midnight, so 34.8% of the day is already behind you by then.
Does the 8:21 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 8:21 AM.