There are total 15 hours or 900 minutes from 7am to 10pm. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 11PM to 10AM | 9PM to 8AM | 4PM to 11AM |
| 11PM to 6AM | 5PM to 11AM | 12PM to 10PM |
| 9AM to 10AM | 2PM to 7AM | 12PM to 3AM |
| 1AM to 4PM | 12AM to 6AM | 7AM to 6PM |
| 4PM to 9AM | 2AM to 10PM | 8PM to 1AM |
| 7PM to 6PM | 12PM to 8AM | 6PM to 9AM |
