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