There are total 7 hours or 420 minutes from 1am to 8am. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 5PM to 2AM | 10PM to 8AM | 9AM to 7PM |
| 5PM to 1PM | 1AM to 6PM | 3AM to 10AM |
| 12AM to 7PM | 11AM to 3AM | 1AM to 2PM |
| 5PM to 6AM | 9PM to 2PM | 6AM to 12PM |
| 9PM to 4PM | 3AM to 7AM | 5PM to 9PM |
| 5AM to 2AM | 7PM to 6AM | 3AM to 10AM |
