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The longest Day (summer solstice )

December 21st 2008 05:19
I am not referring to the classic movie of the same name or one of Billy Joel ‘s songs, I am referring to just the yearly occurrence of solstice on both hemispheres. Eons ago when humans were more attuned with the changing seasons we tended to notice things like differences between sunrise and sunset changes in seasons. June 21 is called the summer solstice in the Northern Hemisphere and conversely the winter solstice in the Southern Hemisphere
I think we have lost for the most part that sense of wonder and search for knowledge.
On Monday 22 December 2007 at 5:08 pm Australian eastern summer time the Earth is at summer solstice.


I have included this image as representation in relation to the passage of solstice


December 21-22 is the winter solstice in the Northern Hemisphere and marks the beginning of winter this occurs when the Sun appears at its most southerly position for the year and, for those of us in living down-under; it is the longest day of the year. The Sun is above the horizon for 14 hours and 25 minutes. The longest day is only a few seconds longer than the previous days, it marks the day with the longest time from sunrise to sunset. The cause of the seasons and solstices is the 23. °5 degree tilts of the Earth’s axis, known as the “obliquity”. The winter solstice in the southern hemisphere is 22 June now on the 22 of December the Earth is at the opposite end of its orbit around the Sun. The reason it’s hot here in the southern hemisphere is all to do with obliquity. The winter solstice is commonly known as the shortest day.




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Comments
4 Comments. [ Add A Comment ]

Comment by S.L.

December 21st 2008 10:34
It seems strange for me to think about Christmas being in the summer, CarlCan! Thanks for the reminder!

Comment by GlenB

December 22nd 2008 03:04
Some of us humans are still attuned to the seasons. I live in a sub-tropical cimate and as soon as the winter solstice passes I can start planting my vegetables.
Summer solstice signifies the start of the storm season.
As Christmas is in summer in Oz, many Aussies feast on cold seafood on Christmas day.

Comment by S.L.

December 22nd 2008 03:46
Hello GlenB! Some of us humans in the USA watch the seasons carefully, too. We always have a freeze in May and don't get to do our planting until it passes. We generally have snow (or snow on the ground) for Christmas and eat turkey, ham or prime rib for our feast. My neighborhood is ablaze with colorful Christmas lights that shine dimly through the falling snow. Wind chimes sound like muffled sleighbells in the winter winds. And sometimes the pogonip lasts for a week or more! Pogonip is when the temperature is so cold that everything has a thick layer of white on it (trees, fences, power poles and lines, houses, etc. all sparkle in the freezing sunshine when the pogonip is on.)

Comment by CarlCan

December 22nd 2008 09:30
Hi S.L

I lived in Europe after being in Australia and had to adjust to the differences especially the way the constellation appear upside down in the northern hemisphere.

I find it interesting reading comments from people who have an attachment to the land. I was born on a small farm in Australia were we welcomed the changing of the seasons.

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