There are total 15 hours or 900 minutes from 10am to 1am. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 2PM to 7PM | 3AM to 3PM | 7PM to 11PM |
| 8AM to 7PM | 9PM to 1PM | 12PM to 6AM |
| 3AM to 5AM | 7PM to 10AM | 5PM to 6AM |
| 3AM to 3PM | 2PM to 6AM | 8PM to 5PM |
| 8PM to 9PM | 1AM to 10AM | 4AM to 5PM |
| 5AM to 1PM | 7AM to 5PM | 5AM to 1PM |
