There are total 13 hours or 780 minutes from 12am to 1pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 12PM to 9PM | 9AM to 7PM | 4PM to 2PM |
| 9PM to 9AM | 3PM to 9AM | 12AM to 10PM |
| 12PM to 6AM | 11PM to 3AM | 1PM to 9AM |
| 8AM to 9AM | 6AM to 7AM | 3AM to 11PM |
| 9PM to 7AM | 10AM to 11PM | 5PM to 6PM |
| 7AM to 1AM | 1PM to 10AM | 4AM to 1PM |