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