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
| 9AM to 1AM | 6PM to 3PM | 8AM to 5AM |
| 6PM to 5AM | 1PM to 6PM | 6AM to 11PM |
| 4PM to 6PM | 5PM to 12PM | 2AM to 12PM |
| 5AM to 10AM | 3PM to 2PM | 5PM to 7AM |
| 2AM to 1PM | 9PM to 2PM | 8PM to 1PM |
| 11PM to 2AM | 4PM to 4AM | 7PM to 1PM |