Christmas, Phat Math, Inc. Merry Christmas and Happy New Year!! Posted on December 25, 2020December 25, 2020 by PhatMathUSadmin 25 Dec September 11th is a date with bad memories for Americans. However, according to a book about the Bible, it’s also said to be the real date Jesus Christ was born, in the year 3 B.C. Please learn more here, here and here. PhatMathUSadmin Google Sheet — a useful tool for Project Management