What is 9:59 PM in 24-hour time?
👉 9:59 PM is 21:59 in 24-hour time and 2159 in military time
9:59 PM in every format
| 12-hour clock | 9:59 PM |
|---|---|
| 24-hour clock | 21:59 |
| Military time | 2159 hours |
| Military pronunciation | twenty-one fifty-nine hours |
| ISO 8601 | T21:59:00 |
| In words | One minute to ten |
| Part of the day | Night |
| Minutes since midnight | 1,319 |
| Day progress | 91.6% |
How to convert 9:59 PM to 24-hour time
For PM times add 12 to the hour (12 PM stays 12): 9:59 PM → 21:59.
9 PM is mid-evening, when many households start winding down and young children go to bed.
12-hour to 24-hour chart for 9 PM
| 12-hour | 24-hour | Military |
|---|---|---|
| 9:00 PM | 21:00 | 2100 |
| 9:05 PM | 21:05 | 2105 |
| 9:10 PM | 21:10 | 2110 |
| 9:15 PM | 21:15 | 2115 |
| 9:20 PM | 21:20 | 2120 |
| 9:25 PM | 21:25 | 2125 |
| 9:30 PM | 21:30 | 2130 |
| 9:35 PM | 21:35 | 2135 |
| 9:40 PM | 21:40 | 2140 |
| 9:45 PM | 21:45 | 2145 |
| 9:50 PM | 21:50 | 2150 |
| 9:55 PM | 21:55 | 2155 |
Questions about What is 9:59 PM in 24-hour time?
What is 9:59 PM in 24-hour time?
9:59 PM is 21:59. For PM times add 12 to the hour (12 PM stays 12): 9:59 PM → 21:59.