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