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
| 6AM to 9AM | 3AM to 11AM | 9AM to 12PM |
| 10PM to 9PM | 11AM to 9PM | 3PM to 4AM |
| 11AM to 7AM | 1AM to 5AM | 10AM to 5AM |
| 6PM to 10PM | 1PM to 3PM | 11AM to 11PM |
| 6AM to 1AM | 11PM to 10AM | 3AM to 9PM |
| 11AM to 10PM | 2AM to 12AM | 9AM to 6PM |