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 11PM | 5PM to 7PM | 8PM to 7AM |
| 3AM to 5PM | 11PM to 8PM | 4PM to 8AM |
| 12AM to 6AM | 3PM to 1AM | 11PM to 5AM |
| 2AM to 9PM | 9PM to 6AM | 4PM to 2PM |
| 4AM to 8PM | 10AM to 4PM | 8PM to 6AM |
| 8PM to 4PM | 8AM to 4AM | 2PM to 3AM |
