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