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