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