It was a Saturday.
It was a Thursday.
It was a Friday.
Thursday
Saturday.
February 13, 1989 was a Monday.
Thursday
February 13 1960 was on a Saturday.
October 13 1960 was on a Thursday.
March 13 1960 was a Sunday.
July 13 1960 was a Wednesday.
March 13 1960 was a Sunday.
December 13, 1960 fell on a Tuesday.