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