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