There are total 18 hours or 1080 minutes from 6am to 12am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 2PM to 1PM | 10PM to 5PM | 8AM to 5PM |
| 9AM to 12PM | 3PM to 2PM | 1PM to 4PM |
| 12AM to 10AM | 7AM to 7PM | 12AM to 12PM |
| 7AM to 10PM | 5AM to 8PM | 7PM to 5PM |
| 4AM to 3AM | 8AM to 2PM | 8PM to 3PM |
| 7PM to 8PM | 6AM to 2AM | 10PM to 11AM |
