There are total 10 hours or 600 minutes from 6pm to 4am. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 4AM to 1AM | 12AM to 12PM | 1AM to 12PM |
| 10AM to 12PM | 3AM to 2PM | 12AM to 2AM |
| 11AM to 2PM | 3AM to 6AM | 4AM to 1PM |
| 1AM to 10AM | 1PM to 11PM | 10AM to 11AM |
| 6PM to 9AM | 2AM to 11PM | 8PM to 12AM |
| 4AM to 8AM | 7PM to 9PM | 1AM to 5AM |
