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