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