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