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