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