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