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