What is 1240 in Military Time?
1240 military time equals
12:40 PM
How to Convert 1240
1240 sits in the noon hour. The rule for 1200–1259: 1200 is 12:00 PM (noon), and the minutes carry over unchanged.
12 = 12 → 12:40 PM PM — noon keeps the 12 (the minutes, 40, stay exactly the same).
Going the other way: noon keeps the 12, so 12:40 PM = 1240. Or skip the math — type 1240 into the military time converter and convert any time instantly on the home page.
Times Around 1240
See the whole day on one page: Military Time Chart or view the full 24-hour chart.
All Times From 1200 to 1259
Every minute of this hour has its own quick answer page:
- 1200 12:00 PM (Noon)
- 1201 12:01 PM
- 1202 12:02 PM
- 1203 12:03 PM
- 1204 12:04 PM
- 1205 12:05 PM
- 1206 12:06 PM
- 1207 12:07 PM
- 1208 12:08 PM
- 1209 12:09 PM
- 1210 12:10 PM
- 1211 12:11 PM
- 1212 12:12 PM
- 1213 12:13 PM
- 1214 12:14 PM
- 1215 12:15 PM
- 1216 12:16 PM
- 1217 12:17 PM
- 1218 12:18 PM
- 1219 12:19 PM
- 1220 12:20 PM
- 1221 12:21 PM
- 1222 12:22 PM
- 1223 12:23 PM
- 1224 12:24 PM
- 1225 12:25 PM
- 1226 12:26 PM
- 1227 12:27 PM
- 1228 12:28 PM
- 1229 12:29 PM
- 1230 12:30 PM
- 1231 12:31 PM
- 1232 12:32 PM
- 1233 12:33 PM
- 1234 12:34 PM
- 1235 12:35 PM
- 1236 12:36 PM
- 1237 12:37 PM
- 1238 12:38 PM
- 1239 12:39 PM
- 1240 12:40 PM
- 1241 12:41 PM
- 1242 12:42 PM
- 1243 12:43 PM
- 1244 12:44 PM
- 1245 12:45 PM
- 1246 12:46 PM
- 1247 12:47 PM
- 1248 12:48 PM
- 1249 12:49 PM
- 1250 12:50 PM
- 1251 12:51 PM
- 1252 12:52 PM
- 1253 12:53 PM
- 1254 12:54 PM
- 1255 12:55 PM
- 1256 12:56 PM
- 1257 12:57 PM
- 1258 12:58 PM
- 1259 12:59 PM
When You'll See 1240
The noon hour. A shift written 1200–2000 starts at midday — 1240 (12:40 PM) appears on lunch-time handoffs, clinic schedules, and flight departure boards.
To say it out loud, read the two pairs: "twelve forty." In formal military usage you may also hear "twelve hundred forty hours."
Frequently Asked Questions
Is 1240 AM or PM?
PM — it's the noon hour. Any military time from 1200 to 2359 is midday, afternoon, or evening. 1240 = 12:40 PM.
How do you say 1240 in military time?
"Twelve forty." Whole hours get the "hundred" treatment (1200 is "twelve hundred"), but with minutes you read the two pairs.
What is 12:40 PM in military time?
1240. Noon keeps the 12: 12 PM is hour 12, so 12:40 PM becomes 1240.
Is 1240 the same as 12:40?
Yes — same time, two writing styles. Schedules in military format drop the colon (1240); European-style 24-hour clocks keep it (12:40). Both mean 12:40 PM.