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