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