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