January 10th, 2010 fell on a Sunday.
Sunday
Week in a Day - 2010 Holi-Week 1-10 was released on: USA: 2010
If you meant January 5th, 2010 - it was a Tuesday. If you meant 1st May 2010 - it was a Saturday
10 January 1970 was a Saturday.
January 10 2002 was a Thursday.
January 10 1966 was a Monday.
January 10, 1984 was a Tuesday.
January 10, 1948 was a Saturday.
10 January 1967 was a Tuesday.
10 January 1985 was a Thursday.
January 10 1950 was a Tuesday.
January 10, 1956 fell on a Tuesday.