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