Happy first day of winter. Today at 11:11 a.m marks the December Solstice for the Central U.S. We in the Northern Hemisphere will have our shortest day and longest night of the year. If you consider the word day in terms of time... the longest days of the year are in December for the entire globe.
In December, the days are one-half minute longer than the average 24 hours.
It is important to remember that the typical clock at home doesn't measure the true length of a solar day. To measure the time from one solar noon to the next, you need a sundial. It can tell you the precise moment of local solar noon – when the sun reaches its highest point for the day.
For the full story visit EarthSky.org.
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