[slideshare id=21031706&doc=7daysoftheweekinthetropicsandtemperatesareunlike-130512071719-phpapp02]
New theories: 1) The shoreter variation of day and night is the faster rotation of the Tropics 2) The longer variation of day and night is the slower rotation of the Temperates.
Saturday, March 23, 2013
Name of Ethiopian calendar months and name of Gregorian calendar months are unlike.
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