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