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