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