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