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