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