January 1 1979 was on a Monday.
January 9 1979 was a Tuesday.
January 12, 1979 was a Friday.
January 10, 1979 fell on a Wednesday.
January 2nd, 1979 fell on a Tuesday.
January 5th, 1979 fell on a Friday.
January 12, 1979, was a Friday.
January 29, 1979 fell on a Monday.
January 25, 1979 fell on a Thursday.
January 30th, 1979 fell on a Tuesday.
January 7, 1979 was a Sunday.
1st October 1979 was a Monday.