The following information was gleaned from Technical Appendix A, "Details of the New Moon," in the book Cracking the Bible Code by Dr. Jeffrey Satinover (New York: William Morrow, 1997). I find this an excellent summary of these matters despite my disagreements with Dr. Satinover in other areas. The first commandment given to Israel as a people was the commandment concerning the new moon (Exodus 12). When HaShem told Moses to have every household in Israel to take a lamb or kid on "the tenth day of the first month" and then sacrifice it on the fourteenth, He was not...