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