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