There are total 3 hours or 180 minutes from 1am to 4am. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 3PM to 11PM | 8PM to 6PM | 1PM to 6PM |
| 7PM to 5PM | 6AM to 11AM | 10AM to 9PM |
| 4PM to 12PM | 10AM to 4AM | 6PM to 4AM |
| 3AM to 2AM | 9PM to 4AM | 11PM to 11AM |
| 11PM to 4PM | 3PM to 2PM | 3AM to 11PM |
| 10PM to 1AM | 1PM to 5AM | 7PM to 3PM |
