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