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