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