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