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