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