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
| 1AM to 9AM | 7PM to 10AM | 8PM to 12AM |
| 8AM to 3PM | 11AM to 5AM | 9AM to 3AM |
| 10PM to 11AM | 1PM to 2AM | 6PM to 10PM |
| 4AM to 7PM | 8PM to 8AM | 10PM to 1PM |
| 1AM to 12PM | 4PM to 3PM | 3AM to 6AM |
| 4AM to 8PM | 1PM to 5PM | 2PM to 9PM |
