There are total 2 hours or 120 minutes from 4am to 6am. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 1AM to 11PM | 11AM to 7PM | 10AM to 8AM |
| 5AM to 4PM | 9AM to 10PM | 7PM to 11AM |
| 11AM to 9AM | 1PM to 6AM | 3AM to 8AM |
| 2PM to 5PM | 11AM to 12AM | 7AM to 9PM |
| 1PM to 9PM | 3PM to 10PM | 9AM to 10AM |
| 7AM to 11AM | 9PM to 4PM | 7PM to 8AM |
