There are total 18 hours or 1080 minutes from 10am to 4am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 8PM to 9PM | 12PM to 8AM | 12AM to 6AM |
| 8AM to 5AM | 5PM to 1AM | 12AM to 1AM |
| 10AM to 1AM | 2AM to 11PM | 5PM to 6AM |
| 5PM to 7PM | 9PM to 5PM | 7AM to 9AM |
| 4PM to 5AM | 11AM to 6PM | 11AM to 8PM |
| 6AM to 10AM | 1PM to 3PM | 11AM to 10PM |
