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