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