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