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