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