When you’re first getting started with the calendar feature, getting used to the 24-hour clock can be a little confusing. I usually add 12 to any time after noon, but sometimes it helps to have this handy.
| Time | 24 Hour | Time | 24 Hour |
| 8 a.m. | 08:00 | 8 p.m. | 20:00 |
| 8:30 a.m. | 08:30 | 8:30 p.m. | 20:30 |
| 9 a.m. | 09:00 | 9 p.m. | 21:00 |
| 9:30 a.m. | 09:30 | 9:30 p.m. | 21:30 |
| 10 a.m. | 10:00 | 10 p.m. | 22:00 |
| 10:30 a.m. | 10:30 | 10:30 p.m. | 22:30 |
| 11 a.m. | 11:00 | 11 p.m. | 23:00 |
| 11:30 a.m. | 11:30 | 11:30 p.m. | 23:30 |
| Noon | 12:00 | Midnight | 24:00 |
| 12:30 p.m. | 12:30 | 12:30 a.m. | 00:30 |
| 1 p.m. | 13:00 | 1 a.m. | 01:00 |
| 1:30 p.m. | 13:30 | 1:30 a.m. | 01:30 |
| 2 p.m. | 14:00 | 2 a.m. | 02:00 |
| 2:30 p.m. | 14:30 | 2:30 a.m. | 02:30 |
| 3 p.m. | 15:00 | 3 a.m. | 03:00 |
| 3:30 p.m. | 15:30 | 3:30 a.m. | 03:30 |
| 4 p.m. | 16:00 | 4 a.m. | 04:00 |
| 4:30 p.m. | 16:30 | 4:30 a.m. | 04:30 |
| 5 p.m. | 17:00 | 5 a.m. | 05:00 |
| 5:30 p.m. | 17:30 | 5:30 a.m. | 05:30 |
| 6 p.m. | 18:00 | 6 a.m. | 06:00 |
| 6:30 p.m. | 18:30 | 6:30 a.m. | 06:30 |
| 7 p.m. | 19:00 | 7 a.m. | 07:00 |
| 7:30 p.m. | 19:30 | 7:30 a.m. | 07:30 |