It was a Sunday.
March 7, 1966 was a Monday.
Monday.
Thursday
The first day of spring in 2014 will fall on March 20th. This will be a Thursday.
what day did the 7th september 1966 fall on
March 20th 1999 was a Saturday.
March 20th 2010 is a Saturday.
20th March in 1991 was a Wednesday.
March 20th, 1993 was a Saturday.
22 March 1966 was a Tuesday.
It has not changed. The March equinox can be on the 19th, 20th or 21st of March. It is not at the exact same moment every year, so it does vary. It was on the 20th of March in 2016, when the question was asked. In other years it can be different.
March 6, 1966 was a Sunday.