There are total 3 hours or 180 minutes from 1pm to 4pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 4AM to 4PM | 10PM to 2PM | 9PM to 2AM |
| 4AM to 9AM | 9AM to 12PM | 9AM to 11PM |
| 10AM to 9PM | 9AM to 5PM | 3PM to 12AM |
| 5PM to 3PM | 2AM to 3AM | 8PM to 4AM |
| 10AM to 12AM | 9PM to 4PM | 11AM to 4PM |
| 1AM to 12AM | 6PM to 1PM | 11AM to 4PM |
