Tropic of Cancer (0.468″) of latitude, or 15 metres, per year (it was at exactly 23° 27′N in 1917 and will be at 23° 26'N in 2045). See axial tilt and circles of latitude for further information. North of the tropic are the subtropics and the North Temperate Zone. The equivalent line of latitude south of the Equator is called the Tropic of Capricorn, and the region between the two, centered on the Equator, is the tropics. There are approximately 13 hours, 35 minutes of daylight during the summer solstice. During the winter solstice, there are 10 hours, 41 minutes of daylight. Starting
Capricorn and Bunker Group Additional to these are several reef structures separate from the individual island but still part of the Capricorn Group of islands including A tourist Resort and Marine Scientific Research Station have been established on Heron Island. A manned lighthouse operates at North Island and the Australian Museum conducts a field research station on One Tree Island. The Bunker Group consists of five coral cays: In association with During Captain James Cook's first voyage of discovery he sailed well inside the island group between 21 and 25 May 1770, typically 2 to 5 miles offshore. He then made his second landing