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