There are total 5 hours or 300 minutes from 8am to 1pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 6AM to 12AM | 5PM to 9AM | 6AM to 12PM |
| 5PM to 12PM | 10PM to 3AM | 1AM to 8AM |
| 7PM to 5AM | 3AM to 10AM | 4PM to 5AM |
| 12AM to 6PM | 12AM to 1PM | 11AM to 1PM |
| 3PM to 12PM | 2PM to 12AM | 11PM to 9PM |
| 12AM to 9AM | 5PM to 12AM | 4PM to 12PM |
