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