A week is 7 days long, there is no 8th day in a week.
Saturday
Wednesday
January 8 + 210 days = August 6
July 8 1988 was a Friday.
January 8th, 1956 was a Sunday.
Oct 8th 1965 was a Friday.
January 8th 1957 was a Tuesday.
January 8th, 1900 was a Monday.
January 8th, 2001 fell on a Monday.
January 8th, 1962 fell on a Monday.
January 8th, 1973 fell on a Monday.
June 8th, 1965 was a Tuesday.
Friday
It was week 41.
December 8th, 1965 fell on a Wednesday.
It was a Wednesday.