Saturday
September 30 1977 was a Friday.
June 30 1977 was a Thursday.
July 30, 1977 fell on a Saturday.
Tuesday.
Monday
It was a Wednesday.
30 April 1976 was a Friday.
April 30 1989 was a Sunday.
April 30 1945 was a Monday.
April 30, 2010, was a Friday.
April 30, 2006 was a Sunday.
April 30, 1970 was on a Thursday.