What is 0231 in Military Time?
0231 military time equals
2:31 AM
How to Convert 0231
0231 falls in the morning half of the 24-hour clock, so the rule is: the hour matches standard time — just add AM.
2 = 2 → 2:31 AM — morning hours match directly (the minutes, 31, stay exactly the same).
Going the other way: 2:31 AM = 0231 — drop the AM and pad single-digit hours with a leading zero. Or skip the math — type 0231 into the military time converter and convert any time instantly on the home page.
Times Around 0231
See the whole day on one page: Military Time Chart or view the full 24-hour chart.
All Times From 0200 to 0259
Every minute of this hour has its own quick answer page:
- 0200 2:00 AM
- 0201 2:01 AM
- 0202 2:02 AM
- 0203 2:03 AM
- 0204 2:04 AM
- 0205 2:05 AM
- 0206 2:06 AM
- 0207 2:07 AM
- 0208 2:08 AM
- 0209 2:09 AM
- 0210 2:10 AM
- 0211 2:11 AM
- 0212 2:12 AM
- 0213 2:13 AM
- 0214 2:14 AM
- 0215 2:15 AM
- 0216 2:16 AM
- 0217 2:17 AM
- 0218 2:18 AM
- 0219 2:19 AM
- 0220 2:20 AM
- 0221 2:21 AM
- 0222 2:22 AM
- 0223 2:23 AM
- 0224 2:24 AM
- 0225 2:25 AM
- 0226 2:26 AM
- 0227 2:27 AM
- 0228 2:28 AM
- 0229 2:29 AM
- 0230 2:30 AM
- 0231 2:31 AM
- 0232 2:32 AM
- 0233 2:33 AM
- 0234 2:34 AM
- 0235 2:35 AM
- 0236 2:36 AM
- 0237 2:37 AM
- 0238 2:38 AM
- 0239 2:39 AM
- 0240 2:40 AM
- 0241 2:41 AM
- 0242 2:42 AM
- 0243 2:43 AM
- 0244 2:44 AM
- 0245 2:45 AM
- 0246 2:46 AM
- 0247 2:47 AM
- 0248 2:48 AM
- 0249 2:49 AM
- 0250 2:50 AM
- 0251 2:51 AM
- 0252 2:52 AM
- 0253 2:53 AM
- 0254 2:54 AM
- 0255 2:55 AM
- 0256 2:56 AM
- 0257 2:57 AM
- 0258 2:58 AM
- 0259 2:59 AM
When You'll See 0231
The small hours. Overnight crews — hospital night nurses, dispatchers, bakers starting early — see 0231 (2:31 AM) on their logs and handoff notes. Flights departing around 0231 are the first red-eyes of the morning.
To say it out loud, read the two pairs: "zero two thirty-one." In formal military usage you may also hear "zero two hundred thirty-one hours."
Frequently Asked Questions
Is 0231 AM or PM?
AM. Any military time from 0000 to 1159 is before noon. 0231 = 2:31 AM.
How do you say 0231 in military time?
"Zero two thirty-one." Whole hours get the "hundred" treatment (0200 is "zero two hundred"), but with minutes you read the two pairs.
What is 2:31 AM in military time?
0231. Morning hours match directly: drop the AM and pad to four digits.
Is 0231 the same as 2:31?
Yes — same time, two writing styles. Schedules in military format drop the colon (0231); European-style 24-hour clocks keep it (2:31). Both mean 2:31 AM.