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December 24, 2024 was a
Tuesday
How to solve:
December 24, 2024
1
Century anchor
2000s
→
Tuesday (2)
Practice →
2
Divide by 12
24 ÷ 12
→
2
Practice →
3
Remainder of 12
24 % 12
→
0
Practice →
4
Divide remainder by 4
0 ÷ 4
→
0
Practice →
5
Year's doomsday
(2 + 2 + 0 + 0) % 7
→
4 → Thursday
Practice →
6
Month doomsday
December
→
12th
Practice →
7
Distance
24 − 12
→
12
Practice →
8
Final answer
(4 + 12) % 7
→
2 → Tuesday
Practice the Doomsday algorithm →