It was a Thursday.
August 16 1985 was a Friday.
March 16 1985 was a Saturday.
September 16, 1985 fell on a Monday.
Monday
Wednesday
Wednesday
16th November 1985, was a Saturday.
October 16, 1985 fell on a Wednesday.
To determine the day of the week for January 16, 1985, we can use the Zeller's Congruence algorithm. For January, we use 13 for the month and 1984 for the year since we are treating January as the 13th month of the previous year. Plugging these values into the formula, we find that the day of the week for January 16, 1985, was Wednesday.
16 May 1979 was on a Wednesday.
May 16 1981 was a Saturday.
May 16 1990 was a Wednesday.