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Did you say the "longest NIGHT at the summer solstice"? That is of course the opposite of the longest day, which would be anywhere south of the antarctic circle having a "day" of 24 hours of sunlight on the solstice, December 21st. On that day the longest NIGHT in the southern hemisphere would be at the latitude that is just an inch or two south of the equator, and that length of night would be 12 hours, if I am not mistaken, since the equator enjoys a constant 12 hour day/night cycle year round irrespective of the sun's motion through the sky.

2006-08-23 02:44:05 · answer #1 · answered by Sciencenut 7 · 0 1

Use of the term "summer solstice" is confusing. In the northern hemisphere the summer solstice is the June solstice. In the southern hemisphere summer solstice is the December solstice.

For clarity, let's just answer for either meaning.

December solstice
Longest night in the southern hemisphere at December solstice = latitude 0 degrees south. (As far north as you can go while still remaining in the southern hemisphere.)

June solstice
Longest night is anything between latitude 66.56 degrees south and 90 degrees south. 66.56 degrees south marks the Antarctic Circle. Any latitude south of that will not see the Sun rise over the horizon on that day -- night will be 24 hours long for all latitudes south of the Antarctic Circle.

2006-08-24 03:00:42 · answer #2 · answered by tke999 3 · 0 0

Zero degrees south. In the southern hemisphere, summer begins on the summer solstice -- 21 December. At noon on that day, the sun is directly overhead at the Tropic of Capricorn. Everything within the Antarctic Circle gets 24 hours of daylight.

The farther north you go, the longer the nights become. The farthest north you can go in the southern hemisphere is zero degrees south. So that's where the "largest night" will be.

2006-08-23 04:44:23 · answer #3 · answered by bpiguy 7 · 0 0

It depends on if you mean the summer solstice in the northern hemisphere (June 22), or summer solstice in the southern hemisphere (December 22). If you mean the June solstice, your question is meaningless as it's daytime anywhere south of the Arctic circle. If you mean the December solstice, it's nighttime 24 hours a day anywhere south of the Arctic circle. This darkness will remain the longest at the South Pole, at 90 degrees South.

2006-08-23 11:27:03 · answer #4 · answered by knivetsil 2 · 0 1

Summer solstice happens around 22nd of June. During this time, the sun is directly above the latitude tropic of cancer.(23.5 degrees north) Daytime will be longer in the NORTHERN hemisphere whereas night will be longer in the SOUNTHERN hemisphere.(In short, almost 24 hours of day in the northern hemisphere and almost 24 hours of night in the southern hemisphere.) I hope that helps you!

2006-08-23 09:52:26 · answer #5 · answered by shashafernandez 2 · 0 1

ill look fwd to the answers to this question by others.

2006-08-23 03:58:10 · answer #6 · answered by ThE TiTaN 3 · 0 0

I beg your pardon.

2006-08-23 03:58:21 · answer #7 · answered by Anonymous · 0 0

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