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