There are total 6 hours or 360 minutes from 7pm to 1am. In words, this duration is equal to six hours or three hundred sixty minutes.
How many hours from
| 12PM to 9AM | 3PM to 9PM | 5AM to 7PM |
| 3AM to 8PM | 6PM to 11AM | 7AM to 10PM |
| 6AM to 2PM | 11AM to 10AM | 1AM to 3AM |
| 4PM to 10AM | 5PM to 7PM | 4AM to 2AM |
| 12AM to 10AM | 8AM to 12AM | 9AM to 1PM |
| 4AM to 4PM | 7PM to 6PM | 12PM to 2PM |