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