There are total 10 hours or 600 minutes from 3am to 1pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 10AM to 6PM | 6AM to 1PM | 11AM to 12PM |
| 4AM to 3AM | 6AM to 2AM | 2PM to 10PM |
| 7PM to 8AM | 4AM to 3AM | 7AM to 6AM |
| 3AM to 8AM | 12AM to 5PM | 4PM to 11AM |
| 6PM to 9PM | 1AM to 4PM | 6PM to 1AM |
| 10PM to 12PM | 10PM to 8AM | 9PM to 6AM |
