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