There are total 5 hours or 300 minutes from 4am to 9am. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 8AM to 10PM | 12AM to 5AM | 8AM to 7AM |
| 9AM to 10AM | 9PM to 7AM | 5PM to 12AM |
| 1PM to 5PM | 7AM to 1AM | 9AM to 5PM |
| 1PM to 3PM | 5AM to 8PM | 10PM to 6AM |
| 7PM to 6PM | 5AM to 3AM | 8AM to 3PM |
| 11PM to 9AM | 1PM to 5AM | 11AM to 9PM |
