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
| 7AM to 11PM | 12PM to 2AM | 7PM to 9PM |
| 3AM to 6AM | 3PM to 7AM | 8PM to 12PM |
| 1PM to 11PM | 12AM to 3AM | 10PM to 6AM |
| 8AM to 3AM | 6AM to 12PM | 10AM to 11PM |
| 3AM to 10AM | 8PM to 9AM | 3AM to 10AM |
| 6PM to 9AM | 4AM to 10PM | 2AM to 1AM |