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