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