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
| 8AM to 4PM | 6AM to 8PM | 4PM to 1PM |
| 4AM to 2PM | 7PM to 4AM | 3PM to 5PM |
| 12PM to 4PM | 5PM to 6PM | 3PM to 11AM |
| 8PM to 10AM | 2AM to 11PM | 8AM to 2PM |
| 6AM to 7PM | 1AM to 7PM | 5PM to 7PM |
| 10AM to 2PM | 7AM to 6PM | 4PM to 7AM |
