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