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