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