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