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
| 5AM to 2PM | 9PM to 7AM | 12AM to 1PM |
| 5PM to 4PM | 10PM to 4PM | 5PM to 4AM |
| 11AM to 4PM | 1AM to 10PM | 5PM to 4PM |
| 11PM to 6AM | 6AM to 2PM | 9PM to 8AM |
| 3AM to 12AM | 9AM to 2PM | 2PM to 8AM |
| 3AM to 7PM | 10AM to 10PM | 12AM to 11PM |
