There are total 11 hours or 660 minutes from 2am to 1pm. In words, this duration is equal to eleven hours or six hundred sixty minutes.
How many hours from
| 1AM to 6PM | 4AM to 5PM | 12AM to 9AM |
| 4AM to 6AM | 10PM to 12PM | 9AM to 7AM |
| 7AM to 9AM | 5PM to 4PM | 11PM to 5PM |
| 8PM to 8AM | 6AM to 5PM | 4AM to 3PM |
| 2AM to 6AM | 9PM to 12PM | 6PM to 6AM |
| 8PM to 11AM | 8AM to 11PM | 12AM to 12PM |
