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