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