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