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