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