According to the calendar built into WINDOWS - it was a Friday !
April 27, 1973, was a Friday.
Friday.
1973 April 29th was on a Sunday.
Thursday, December 27, 1973
October 27 1973 was a Saturday.
April 19, 1973 fell on a Thursday.
2 April 1973 was a Monday
August 27, 1973 fell on a Monday.
April 4th 1973 fell on a Wednesday.
April 21, 1973 fell on a Saturday.
April 1, 1973 fell on a Sunday.
April 9, 1973 fell on a Monday.