There are total 10 hours or 600 minutes from 11am to 9pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 11AM to 8AM | 1AM to 6PM | 10PM to 3AM | 
| 2PM to 11PM | 7PM to 8PM | 2PM to 4AM | 
| 6PM to 2PM | 3AM to 2AM | 11AM to 9AM | 
| 6PM to 8AM | 4PM to 9AM | 4PM to 11PM | 
| 5PM to 11AM | 6PM to 1PM | 4AM to 3AM | 
| 4AM to 7AM | 2PM to 3PM | 1AM to 2AM | 

