Wednesday
30th December 1170 was a Wednesday.
December 30th, 2010 fell on a Thursday.
Thursday
Friday
May 30th 1998 was a Saturday.
April 30th, 1998 was a Thursday.
June 30th, 1998 fell on a Tuesday. The following year, it fell on a Wednesday.
August 30, 1998 fell on a Sunday.
December 30, 1991 fell on a Monday.
December 30, 1949 fell on a Friday.
December 30, 1977 fell on a Friday.
December 30th, 1996 fell on a Monday.