There are total 9 hours or 540 minutes from 1pm to 10pm. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 3PM to 2PM | 6PM to 1AM | 7PM to 9PM |
| 11PM to 11AM | 2PM to 9AM | 3PM to 1PM |
| 4AM to 6AM | 6PM to 4AM | 12PM to 5PM |
| 5PM to 10AM | 2AM to 3PM | 4PM to 3PM |
| 1AM to 7PM | 11AM to 3PM | 3PM to 9AM |
| 11PM to 10PM | 3PM to 12PM | 3PM to 6AM |
