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
| 3AM to 1PM | 3PM to 7PM | 11PM to 6AM |
| 4AM to 1AM | 9AM to 9PM | 2PM to 12PM |
| 8AM to 12PM | 1AM to 6AM | 6AM to 11PM |
| 5PM to 9PM | 12AM to 9PM | 2AM to 5PM |
| 11PM to 12PM | 6PM to 2AM | 12PM to 12AM |
| 2PM to 8PM | 4AM to 7AM | 5AM to 12PM |
