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