January 30th is Saturday of the 5th week.
January 30th, 1900 was a Tuesday.
January 30th 2001 was a Tuesday.
January 30th, 1964 fell on a Thursday.
January 30th, 1979 fell on a Tuesday.
The 30th May 2010 will be on a Sunday.
July 30th, 2010 was a Friday.
December 30th, 2010 fell on a Thursday.
It will be a Wednesday.
Tuesday
Saturday
That was on a Wednesday.
It was a Friday.