There are total 18 hours or 1080 minutes from 3am to 9pm. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 6PM to 2PM | 5PM to 11AM | 7AM to 3PM |
| 5AM to 9PM | 2PM to 1AM | 4PM to 10PM |
| 4AM to 6AM | 6PM to 5PM | 1AM to 2PM |
| 1PM to 6AM | 4PM to 4AM | 4PM to 6PM |
| 11PM to 2AM | 5PM to 9AM | 12PM to 8PM |
| 10PM to 10AM | 1PM to 3PM | 3PM to 10AM |
