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