Guess the day of the week for the following date

10th of October 2009

Doomsday dates

Jan 3rd (4th on a leapyear)
Feb last (28th or 29th)
Mars 14 "pi-day"
4/4
9/5
6/6
USA 4/7
11/7
8/8
5/9
10/10
Halloween 31/10
7/11
12/12
Boxing day 26/12

Years

Repeated pattern centuries


1700 - Sunday
1800 - Friday
1900 - Wednesday
2000 - Tuesday

2100 - Sunday
2200 - Friday
2300 - Wednesday
2400 - Tuesday

Key years repeated pattern


0
28
56
84
Date Guess