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