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
| 11AM to 11PM | 1AM to 9PM | 11PM to 10PM |
| 10PM to 9PM | 1AM to 7PM | 10AM to 6AM |
| 6PM to 5AM | 1AM to 2PM | 3AM to 9AM |
| 5PM to 11PM | 12PM to 12AM | 4AM to 11PM |
| 6PM to 11AM | 11AM to 9PM | 9PM to 3AM |
| 9PM to 7AM | 6AM to 11AM | 3AM to 2AM |
