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