What time is 20:21?
👉 20:21 in 24-hour time is 8:21 PM in 12-hour time
8:21 PM in every format
| 12-hour clock | 8:21 PM |
|---|---|
| 24-hour clock | 20:21 |
| Military time | 2021 hours |
| Military pronunciation | twenty twenty-one hours |
| ISO 8601 | T20:21:00 |
| In words | Twenty-one minutes past eight |
| Part of the day | Evening |
| Minutes since midnight | 1,221 |
| Day progress | 84.79% |
How to convert 20:21 to 12-hour time
Hours 13–23 lose 12 and take PM: 20 − 12 = 8, so 20:21 → 8:21 PM.
The 8 PM hour begins prime time on U.S. television (8–11 PM Eastern), when the most people watch TV.
24-hour to 12-hour chart for 20:00–20:59
| 24-hour | 12-hour |
|---|---|
| 20:00 | 8:00 PM |
| 20:05 | 8:05 PM |
| 20:10 | 8:10 PM |
| 20:15 | 8:15 PM |
| 20:20 | 8:20 PM |
| 20:25 | 8:25 PM |
| 20:30 | 8:30 PM |
| 20:35 | 8:35 PM |
| 20:40 | 8:40 PM |
| 20:45 | 8:45 PM |
| 20:50 | 8:50 PM |
| 20:55 | 8:55 PM |
Questions about What time is 20:21?
What time is 20:21?
20:21 is 8:21 PM. Hours 13–23 lose 12 and take PM: 20 − 12 = 8, so 20:21 → 8:21 PM.