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
| 9PM to 11AM | 6PM to 8AM | 7AM to 4AM |
| 3AM to 6PM | 12AM to 5AM | 9AM to 7PM |
| 7AM to 1PM | 5PM to 1PM | 6PM to 7AM |
| 12PM to 8AM | 1AM to 4AM | 11AM to 3AM |
| 7PM to 8AM | 6AM to 5AM | 11AM to 3PM |
| 4AM to 8PM | 2PM to 11AM | 8AM to 11AM |
