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