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