PM · evening
1721 Military Time = 5:21 PM
Answer
1721 = 5:21 PM
“seventeen twenty-one hours”
Subtract 12 from the hour (17 − 12 = 5) and add PM, so 1721 = 5:21 PM.
- Military time
- 1721
- 24-hour clock
- 17:21
- 12-hour time
- 5:21 PM
- Said aloud
- seventeen twenty-one hours
- Minutes since midnight
- 1041
- Time until midnight
- 6 h 39 min
Enter 3–4 digits, e.g. 0800, 1430, 2359
Valid timeEnter the time and choose AM or PM
Converted result
Spoken: seventeen twenty-one hours
Looking for the AM time?
5:21 AM is 0521 in military time
How to Convert 1721 to Standard Time
1721 converts to 5:21 PM in 3 steps:
- 1721 is greater than 1259, so subtract 1200: 1721 − 1200 = 521.
- Insert a colon before the last two digits: 5:21.
- Add PM, because hours 13 to 23 are afternoon and evening: 5:21 PM.
To go the other way, 5:21 PM becomes 1721: add 12 to 5 to get 17, then remove the colon.
1721 Across U.S. Time Zones
When it is 1721 Eastern time, it is 1621 Central, 1521 Mountain and 1421 Pacific. Zulu (UTC) depends on daylight saving time.
| Time zone | Military time | Standard time |
|---|---|---|
| Eastern (ET) | 1721 | 5:21 PM |
| Central (CT) | 1621 | 4:21 PM |
| Mountain (MT) | 1521 | 3:21 PM |
| Pacific (PT) | 1421 | 2:21 PM |
| Alaska (AKT) | 1321 | 1:21 PM |
| Zulu / UTC (winter, EST) | 2221Z | 10:21 PM |
| Zulu / UTC (summer, EDT) | 2121Z | 9:21 PM |
Convert other zones with the military time zone converter.
How to Say 1721
1721 is said “seventeen twenty-one hours” in formal military use. Casual speech drops “hours”: “seventeen twenty-one.” Written in 24-hour clock style, 1721 is 17:21.
Nearby military times
1721 military time: FAQ
What time is 1721 in military time?
1721 is 5:21 PM in standard 12-hour time. Subtract 12 from the hour (17 − 12 = 5) and add PM, so 1721 = 5:21 PM.
What is 5:21 PM in military time?
5:21 PM is 1721 in military time, written 17:21 on a 24-hour clock.
How do you say 1721 in military time?
1721 is said “seventeen twenty-one hours”.
Is 1721 AM or PM?
1721 is PM: 5:21 PM. The same minutes in the other half of the day, 5:21 AM, are 0521.
See every time in the military time chart, or convert any other time with themilitary time converter.