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