2355 military time is 11:55 PM

11:55 PM in every format

12-hour clock	11:55 PM
24-hour clock	23:55
Military time	2355 hours
Military pronunciation	twenty-three fifty-five hours
ISO 8601	T23:55:00
In words	Five minutes to midnight
Part of the day	Night
Minutes since midnight	1,435
Day progress	99.65%

Military time uses four digits without a colon and counts hours from 00 to 23. 2355 is pronounced “twenty-three fifty-five hours”.

Hours 13–23 lose 12 and take PM: 23 − 12 = 11, so 23:55 → 11:55 PM.

When a time zone matters, the military adds a letter: 2355Z means 2355 in UTC, known as Zulu time.

2355 is 11:55 PM.

Say “twenty-three fifty-five hours”.