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