There are total 21 hours or 1260 minutes from 7pm to 4pm. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 2PM to 1PM | 1AM to 8AM | 11PM to 5AM |
| 12AM to 4PM | 10PM to 8PM | 10AM to 9PM |
| 6AM to 1AM | 12AM to 2PM | 5PM to 1PM |
| 10AM to 8PM | 3PM to 3AM | 2AM to 4AM |
| 10PM to 2AM | 1PM to 3AM | 12AM to 10AM |
| 11PM to 12AM | 2PM to 4AM | 1PM to 6AM |
