There are total 5 hours or 300 minutes from 7am to 12pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 4AM to 8AM | 10AM to 7PM | 8PM to 1PM |
| 1PM to 12AM | 4PM to 12AM | 10PM to 1AM |
| 11PM to 2PM | 12PM to 8AM | 6AM to 5AM |
| 4AM to 1PM | 11AM to 3AM | 9PM to 6AM |
| 8PM to 3PM | 5PM to 10PM | 9AM to 12AM |
| 5AM to 4AM | 4PM to 8PM | 9AM to 3PM |
