Multiple choice general knowledge January 1, 2008 is Tuesday. What day of the week lies on Jan 1, 2009? Monday Wednesday Thursday Sunday Reveal answer Fill a bubble to check yourself C Correct answer Explanation To find the day of the week for January 1, 2009, we count from January 1, 2008 (Tuesday). 2008 is a leap year with 366 days. 366 mod 7 = 2 (366 = 52 weeks + 2 days). So January 1, 2009 = Tuesday + 2 = Thursday.