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