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
| 10PM to 1AM | 5AM to 11AM | 6AM to 9PM |
| 12PM to 8PM | 2PM to 3PM | 2AM to 7AM |
| 11AM to 1AM | 11AM to 8AM | 5PM to 4PM |
| 8AM to 1PM | 3AM to 7AM | 11PM to 3AM |
| 8AM to 3AM | 10PM to 5PM | 11PM to 7AM |
| 5PM to 7AM | 5AM to 4PM | 3AM to 11PM |
