13:00 in 24-hour time is 1:00 PM.
To convert 13:00 to 12-hour format, subtract 12 from the hour: 13 − 12 = 1. Since 13:00 is past noon, it is PM. The result is 1:00 PM. This same rule applies to any hour from 13:00 to 23:00 — subtract 12 to get the 12-hour equivalent.
13:00 marks the start of the afternoon. In many countries, particularly across Europe and in military, aviation, and medical contexts, 13:00 is used instead of 1 PM to avoid any ambiguity. You will commonly see 13:00 on train timetables, flight schedules, TV programme guides, and work shift rosters.
Enter any hour below to convert it, or use the quickpicks to jump to a nearby time.
Common afternoon times:
| Format | Result |
|---|---|
| 12-hour AM/PM | 1:00 PM |
| Military time | 1300 |
| 24-hour | 12-hour AM/PM |
|---|---|
| 12:00 | 12:00 PM (noon) |
| 13:00 | 1:00 PM |
| 14:00 | 2:00 PM |
| 15:00 | 3:00 PM |
| 16:00 | 4:00 PM |
| 17:00 | 5:00 PM |
| 18:00 | 6:00 PM |
| 19:00 | 7:00 PM |
| 20:00 | 8:00 PM |
| 21:00 | 9:00 PM |
| 22:00 | 10:00 PM |
| 23:00 | 11:00 PM |
13:00 in 24-hour time is 1:00 PM. To convert, subtract 12 from the hour: 13 − 12 = 1. Since 13:00 is past noon, the result is 1:00 PM. The minutes stay the same — so 13:30 is 1:30 PM, and 13:45 is 1:45 PM.
Subtract 12 from the hour: 13 − 12 = 1. The result is 1:00 PM. This rule applies to all hours from 13:00 to 23:00. For 12:00, no subtraction is needed — it stays as 12:00 PM. For hours from 00:00 to 11:59, the period is AM.
13:00 is PM. In the 24-hour system, 00:00 to 11:59 corresponds to AM, and 12:00 to 23:59 corresponds to PM. Since 13 is greater than 12, it is definitively in the PM half of the day — specifically 1:00 PM.
1:00 PM in 24-hour format is 13:00. To convert any PM time to 24-hour format, add 12 to the hour — except 12:00 PM, which stays as 12:00. For example, 1 PM + 12 = 13:00, 6 PM + 12 = 18:00, and 11 PM + 12 = 23:00.