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