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