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