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