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