PM · evening
1840 Military Time = 6:40 PM
Answer
1840 = 6:40 PM
“eighteen forty hours”
Subtract 12 from the hour (18 − 12 = 6) and add PM, so 1840 = 6:40 PM.
- Military time
- 1840
- 24-hour clock
- 18:40
- 12-hour time
- 6:40 PM
- Said aloud
- eighteen forty hours
- Minutes since midnight
- 1120
- Time until midnight
- 5 h 20 min
Enter 3–4 digits, e.g. 0800, 1430, 2359
Valid timeEnter the time and choose AM or PM
Converted result
Spoken: eighteen forty hours
Looking for the AM time?
6:40 AM is 0640 in military time
How to Convert 1840 to Standard Time
1840 converts to 6:40 PM in 3 steps:
- 1840 is greater than 1259, so subtract 1200: 1840 − 1200 = 640.
- Insert a colon before the last two digits: 6:40.
- Add PM, because hours 13 to 23 are afternoon and evening: 6:40 PM.
To go the other way, 6:40 PM becomes 1840: add 12 to 6 to get 18, then remove the colon.
1840 Across U.S. Time Zones
When it is 1840 Eastern time, it is 1740 Central, 1640 Mountain and 1540 Pacific. Zulu (UTC) depends on daylight saving time.
| Time zone | Military time | Standard time |
|---|---|---|
| Eastern (ET) | 1840 | 6:40 PM |
| Central (CT) | 1740 | 5:40 PM |
| Mountain (MT) | 1640 | 4:40 PM |
| Pacific (PT) | 1540 | 3:40 PM |
| Alaska (AKT) | 1440 | 2:40 PM |
| Zulu / UTC (winter, EST) | 2340Z | 11:40 PM |
| Zulu / UTC (summer, EDT) | 2240Z | 10:40 PM |
Convert other zones with the military time zone converter.
How to Say 1840
1840 is said “eighteen forty hours” in formal military use. Casual speech drops “hours”: “eighteen forty.” Written in 24-hour clock style, 1840 is 18:40.
Nearby military times
1840 military time: FAQ
What time is 1840 in military time?
1840 is 6:40 PM in standard 12-hour time. Subtract 12 from the hour (18 − 12 = 6) and add PM, so 1840 = 6:40 PM.
What is 6:40 PM in military time?
6:40 PM is 1840 in military time, written 18:40 on a 24-hour clock.
How do you say 1840 in military time?
1840 is said “eighteen forty hours”.
Is 1840 AM or PM?
1840 is PM: 6:40 PM. The same minutes in the other half of the day, 6:40 AM, are 0640.
See every time in the military time chart, or convert any other time with themilitary time converter.