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