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
| 1AM to 7PM | 12AM to 3AM | 8AM to 2AM |
| 9AM to 2PM | 12PM to 4PM | 3AM to 3PM |
| 4PM to 8PM | 7AM to 11PM | 2AM to 7AM |
| 2AM to 9PM | 11PM to 9PM | 3PM to 6AM |
| 3PM to 11PM | 3AM to 2PM | 9AM to 6AM |
| 9PM to 2PM | 10PM to 1PM | 2AM to 6AM |
