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