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