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