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