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