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