It was a Friday.
It was a Thursday.
It was a Saturday.
Thursday
Saturday.
February 13, 1989 was a Monday.
Thursday
October 13 1981 was a Tuesday.
October 13, 1981 was on a Tuesday.
December 13, 1981 fell on a Sunday.
April 13, 1981 fell on a Monday.
The given date was a Saturday.
Sunday