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