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