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