There are total 10 hours or 600 minutes from 3pm to 1am. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 8AM to 9PM | 8AM to 6PM | 12PM to 11AM |
| 9AM to 10PM | 6AM to 10PM | 6PM to 9PM |
| 3AM to 8PM | 6PM to 3PM | 5PM to 2PM |
| 12PM to 11AM | 3PM to 10AM | 10PM to 12AM |
| 12AM to 9AM | 9AM to 3PM | 1AM to 4AM |
| 7PM to 5AM | 3AM to 12PM | 11AM to 7AM |
