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
| 10AM to 7PM | 11AM to 5PM | 7PM to 7AM |
| 1PM to 3AM | 10AM to 2AM | 8PM to 4PM |
| 9PM to 6PM | 12PM to 3PM | 1PM to 9AM |
| 2PM to 4PM | 12PM to 4PM | 12PM to 8AM |
| 9PM to 8PM | 10PM to 4AM | 5PM to 11AM |
| 12AM to 12PM | 6PM to 10PM | 6PM to 10AM |
