There are total 20 hours or 1200 minutes from 7pm to 3pm. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 3PM to 3AM | 9PM to 11PM | 10AM to 2AM | 
| 5PM to 2PM | 8AM to 6AM | 4PM to 2AM | 
| 6AM to 7PM | 4PM to 7PM | 8AM to 5AM | 
| 8AM to 5PM | 1PM to 9PM | 12AM to 9AM | 
| 8AM to 10AM | 10AM to 3PM | 6AM to 5AM | 
| 9PM to 1PM | 12PM to 7PM | 2PM to 8AM | 

