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