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