There are total 3 hours or 180 minutes from 4am to 7am. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 9PM to 12AM | 8AM to 5PM | 4PM to 8AM |
| 5PM to 4PM | 7PM to 6AM | 9AM to 1PM |
| 10PM to 7AM | 1AM to 9PM | 12AM to 2PM |
| 6PM to 11AM | 3AM to 8PM | 7PM to 10AM |
| 11AM to 10AM | 10AM to 2PM | 8PM to 11AM |
| 2AM to 4AM | 4PM to 1PM | 3PM to 11AM |
