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