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