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
| 9AM to 11PM | 7PM to 8AM | 5AM to 6AM |
| 10PM to 5AM | 7PM to 5PM | 6PM to 11AM |
| 12AM to 6PM | 1PM to 9PM | 12AM to 8PM |
| 9PM to 12PM | 8PM to 11AM | 3AM to 12AM |
| 9PM to 9AM | 7PM to 10AM | 4AM to 9PM |
| 2PM to 2AM | 6AM to 6PM | 5PM to 4PM |
