5:30 PM = 1730
- With a colon
- 17:30
- How to say it
- seventeen thirty hours
How it’s calculated
AM: keep the hour with a leading zero (7:30 AM → 0730); 12:xx AM becomes 00xx.
PM: add 12 to the hour (5:30 PM → 1730); 12:xx PM stays 12xx.
Back to standard: hours 13–23 minus 12 are PM; 00 is 12 AM; 12 is 12 PM.
Worked example with your numbers
- PM hours add 12: 5 + 12 = 17, so 5:30 PM = 1730.
Military time chart
| Military | Standard |
|---|---|
| 0000 | 12:00 AM |
| 0100 | 1:00 AM |
| 0200 | 2:00 AM |
| 0300 | 3:00 AM |
| 0400 | 4:00 AM |
| 0500 | 5:00 AM |
| 0600 | 6:00 AM |
| 0700 | 7:00 AM |
| 0800 | 8:00 AM |
| 0900 | 9:00 AM |
| 1000 | 10:00 AM |
| 1100 | 11:00 AM |
| Military | Standard |
|---|---|
| 1200 | 12:00 PM |
| 1300 | 1:00 PM |
| 1400 | 2:00 PM |
| 1500 | 3:00 PM |
| 1600 | 4:00 PM |
| 1700 | 5:00 PM |
| 1800 | 6:00 PM |
| 1900 | 7:00 PM |
| 2000 | 8:00 PM |
| 2100 | 9:00 PM |
| 2200 | 10:00 PM |
| 2300 | 11:00 PM |