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Doomsday dates (advanced)

Find the doomsday for a given month and year


How to play:

You have to select the a doomsday for the month in the given year (the year might be a leap year).

Month
Memorable date
Mnemonic
January
January 3
January 4 (leap years)
3 years of 3, then 4 the 4th year
February
February 28
February 29 (leap years)
The last day of February
March
0th
March 14
The day before the 1st is "0th". Also Pi day.
April
April 4
4 / 4
May
May 9
"I work 9 to 5" (May is the 5th month)
June
June 6
6 / 6
July
July 11
7-Eleven (July is the 7th month)
August
August 8
8 / 8
September
September 5
"I work 9 to 5" (September is the 9th month)
October
October 10
10 / 10
November
November 7
7-Eleven (November is the 11th month)
December
December 12
12 / 12
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