When noon at Greenwich England what time is it where the Prime meridian crosses Arctic Circle?

The Arctic Circle is located at 66°33′46″ N latitude. The prime meridian crosses the Arctic Circle at a longitude of 0°. The time at a location is determined by its longitude relative to the prime meridian. Each degree of longitude represents a time difference of 4 minutes.

Since the Arctic Circle is located at a longitude of 0°, the time there will be the same as the time at Greenwich, England when it is noon.