There are total 12 hours or 720 minutes from 10am to 10pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 7AM to 3PM | 5PM to 7AM | 6PM to 2AM |
| 8PM to 10AM | 6PM to 2PM | 3PM to 4PM |
| 12PM to 2PM | 5AM to 4PM | 7PM to 3PM |
| 7PM to 4AM | 6AM to 8AM | 8AM to 8PM |
| 1PM to 5PM | 12PM to 8PM | 1AM to 12PM |
| 6PM to 10PM | 9AM to 1AM | 6PM to 11PM |
