How long until 4:21 PM?
Watching the clock until 4:21 PM? Afternoons can drag, so this page shows the exact hours, minutes and seconds left until 4:21 PM, updated every second.
Counting down to 4:21 PM
The wait time for 4:21 PM, unit by unit
How many hours until 4:21 PM?
–How many minutes until 4:21 PM?
–How many seconds until 4:21 PM?
–How much longer until 4:21 PM?
–Totals refresh every second and count full units only. If 4:21 PM has passed for today, they count toward tomorrow.
About 4:21 PM
On a 24-hour clock 4:21 PM is written 16:21, and in military time it becomes 1621, read as "sixteen twenty-one." By 4:21 PM, 68.1% of the day has gone by, with 7 hours and 39 minutes left before midnight.
- 24-hour clock
- 16:21
- Military time
- 1621 hours
- Minutes after midnight
- 981
- Share of the day passed
- 68.1%
- Part of the day
- Afternoon
- Twelve hours away
- 4:21 AM
Count down to another time or date
Countdowns to nearby times
Every five minutes in the 4 PM hour
More times to count down to
Days of the week
Questions about 4:21 PM
What is 4:21 PM in 24-hour time?
4:21 PM is 16:21 on a 24-hour clock. In military time it is written 1621 and read aloud as "sixteen twenty-one."
What if 4:21 PM has already passed today?
The countdown switches to 4:21 PM tomorrow on its own and says so under the timer, so you never see a negative number.
How many minutes after midnight is 4:21 PM?
4:21 PM is 981 minutes after midnight, so 68.1% of the day is already behind you by then.
Does the 4:21 PM 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 4:21 PM.