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
| 1AM to 8AM | 9AM to 1PM | 8AM to 2AM |
| 12AM to 11AM | 11AM to 8AM | 1AM to 9PM |
| 2PM to 1PM | 12PM to 8AM | 11PM to 10PM |
| 4AM to 6AM | 2AM to 9PM | 3PM to 8AM |
| 11PM to 11AM | 4AM to 6AM | 2AM to 10AM |
| 6AM to 10AM | 2AM to 12PM | 2AM to 9AM |
