<Tr> <Td> Map all microformatted coordinates </Td> </Tr> <Tr> <Td> Place data as RDF </Td> </Tr> <P> The 40th parallel north is a circle of latitude that is 40 degrees north of the Earth's equatorial plane . It crosses Europe, the Mediterranean Sea, Asia, the Pacific Ocean, North America, and the Atlantic Ocean . </P> <P> At this latitude the sun is visible for 15 hours, 1 minute during the summer solstice and 9 hours, 20 minutes during the winter solstice . On 21 June, the maximum altitude of the sun is 73.83 degrees and 26.17 degrees on 21 December . </P>

What three continents extend north of the arctic circle