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