There are total 19 hours or 1140 minutes from 6am to 1am. In words, this duration is equal to nineteen hours or one thousand one hundred forty minutes.
How many hours from
| 6PM to 9AM | 10PM to 9PM | 9AM to 6PM |
| 3PM to 5PM | 2AM to 2PM | 9AM to 12AM |
| 10PM to 7AM | 11AM to 7PM | 12PM to 9PM |
| 1AM to 7AM | 5PM to 4PM | 8AM to 11AM |
| 3AM to 4PM | 7PM to 10PM | 7AM to 11AM |
| 3PM to 5PM | 10PM to 7PM | 8PM to 6AM |
