It was a Saturday.
Friday
It was a Friday.
It was a Wednesday.
Friday (September 24, 1971).
September 24, 1971 was a Friday.
September 29, 1971
Monday the 1st of September 1969.
Many countries have a Labour Day, not necessarily on the same day or date.
30 September 1971 was a Thursday.
September 14th 1971 was a Tuesday.
21 September 1971 was a Tuesday.
23rd September 1971, was a Thursday.