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