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