There are total 4 hours or 240 minutes from 9am to 1pm. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 5PM to 9PM | 12AM to 11PM | 10AM to 12AM |
| 5PM to 11AM | 4AM to 12AM | 11PM to 10AM |
| 10AM to 1PM | 4PM to 9AM | 2PM to 6AM |
| 7AM to 12PM | 4PM to 1PM | 7AM to 10AM |
| 7AM to 5AM | 5AM to 12PM | 11PM to 9PM |
| 10PM to 4AM | 1PM to 10AM | 10AM to 9PM |
