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