Subtracting 6 weeks, that is, 42 days, from May 12, 1996, gives March 31, 1996.
The first day of spring in 1996 is March 20, 1996.
March 31 1978 was a Friday.
July 31 1996 was on a Wednesday.
May 31 1996 was a Friday.
August 31, 1996, was a Saturday.
The 5th of March 1996 was a Tuesday.
March 31 1999 was a Wednesday.
31 March 1969 was a Monday.
March 31, 1949 was a Thursday.
March 31 2010 was a Wednesday
March 31 1973 was a Saturday.