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