It was a Friday.
Monday
Tuesday
January 21, 1987 fell on a Wednesday.
April 21, 1977 fell on a Thursday.
21 September 1977 was a Wednesday.
May 21, 1977 fell on a Saturday.
After 2011, Jan. 21 does not fall on a Friday again until 2022.
Friday
August 21st, 1977 fell on a Sunday.
January 21, 1984 fell on a Saturday.Correct Answer for Jan 27, 1984:From a perpetual calendar: January 27, 1984 was on a Friday.
Monday
It was on a Friday.