There are total 17 hours or 1020 minutes from 4am to 9pm. In words, this duration is equal to seventeen hours or one thousand twenty minutes.
How many hours from
| 8PM to 12AM | 4PM to 12AM | 4AM to 4PM |
| 12PM to 11AM | 12PM to 3PM | 3PM to 11AM |
| 3AM to 12PM | 1AM to 2PM | 11PM to 3AM |
| 8AM to 4AM | 9PM to 9AM | 6AM to 1PM |
| 12PM to 4PM | 12PM to 4AM | 8AM to 9PM |
| 10AM to 8PM | 5AM to 1PM | 2PM to 6AM |
