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