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