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