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