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