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