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Late sunrise

22 Dec 2009, 20:10 UTC
Late sunrise
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Yesterday, December 21, was the Winter Solstice here in the northern hemisphere. On that day, the Earth was in the part of its orbit where its north pole was tilted as far away from the Sun as it will get this year. The Sun appeared as far south in the sky as it will. That means that those of us in the northern hemisphere had out shortest day of the year. Where I live, in Texas, the Sun rose at 07:28 and set at 17:27 (Central Standard Time). That make the day just under ten hours long. The night, of course, was about fourteen hours long. After the equinox, the days begin to get longer. Granted, today we will get only seconds longer sunlight, but eventually that will add up. By the time that the Summer Solstice arrives in June, we will be getting about fourteen hours of daylight and ten hours of night (the reverse of the Winter Solstice). Of course, with the north pole tilted away from the Sun, the south pole it tilted towards the Sun. That means that the southern hemisphere is having their longest days and shortest nights right now, just like we will at ...

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