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