The sun rays are on the Tropic of Capricorn on December 21 and it leads to winter in the northern hemisphere and summers in the Southern Hemisphere,because on December 21 there is 24 hours of daylight on the south pole, south to the antarctic circle and 24 hours of darkness on the north pole, north to the arctic circle.
Antarctic circle 66.5 degrees (exact)
at the poles
During the solstice (our summer for north, our winter for south).
Close to perpendicular.
At the moments when the sun reaches the solstices ... some time around June 21 (north) and December 22 (south).
Obliquely
The Sun's rays strike least directly at the poles.
at the Equator
at the poles
at the poles
Directly is near the equator. Least directly is at the poles.
Directly is near the equator. Least directly is at the poles.
Between 23.5° south latitude and 23.5° north latitude.
spring/fall
the Tropic of Cancer
During the solstice (our summer for north, our winter for south).
The sun is directly over the Tropic of Capricorn at the moment of the December solstice.At the Winter solstice. It will next happen on 21 December 2014 (answer dated 21 Nov 2014)..
i think it was at the equator or poles