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