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