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