There are total 21 hours or 1260 minutes from 7am to 4am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 5AM to 12AM | 2PM to 1PM | 4AM to 9AM |
| 5AM to 8PM | 1AM to 9AM | 3AM to 11PM |
| 2AM to 3PM | 12PM to 7AM | 11AM to 8AM |
| 12PM to 10AM | 6AM to 12PM | 10AM to 8AM |
| 11PM to 9AM | 4AM to 5AM | 9PM to 11AM |
| 3PM to 6PM | 2AM to 12AM | 2PM to 11PM |
