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 10PM | 7AM to 11AM | 8PM to 4AM |
| 11AM to 9PM | 9AM to 6PM | 11AM to 4PM |
| 3AM to 9PM | 6PM to 4AM | 7AM to 6PM |
| 10PM to 10AM | 3AM to 4AM | 11AM to 11PM |
| 3PM to 12PM | 4AM to 10PM | 10PM to 3PM |
| 7PM to 2PM | 9PM to 3PM | 7AM to 2PM |
