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