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