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