2321 military time is 11:21 PM

11:21 PM in every format

12-hour clock	11:21 PM
24-hour clock	23:21
Military time	2321 hours
Military pronunciation	twenty-three twenty-one hours
ISO 8601	T23:21:00
In words	Twenty-one minutes past eleven
Part of the day	Night
Minutes since midnight	1,401
Day progress	97.29%

Military time uses four digits without a colon and counts hours from 00 to 23. 2321 is pronounced “twenty-three twenty-one hours”.

Hours 13–23 lose 12 and take PM: 23 − 12 = 11, so 23:21 → 11:21 PM.

When a time zone matters, the military adds a letter: 2321Z means 2321 in UTC, known as Zulu time.

2321 is 11:21 PM.

Say “twenty-three twenty-one hours”.