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