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