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August 1, 2008 was a
Friday
How to solve:
August 1, 2008
1
Century anchor
2000s
→
Tuesday (2)
Practice →
2
Divide by 12
8 ÷ 12
→
0
Practice →
3
Remainder of 12
8 % 12
→
8
Practice →
4
Divide remainder by 4
8 ÷ 4
→
2
Practice →
5
Year's doomsday
(2 + 0 + 8 + 2) % 7
→
5 → Friday
Practice →
6
Month doomsday
August
→
8th
Practice →
7
Distance
1 − 8
→
-7
Practice →
8
Final answer
(5 + -7) % 7
→
5 → Friday
Practice the Doomsday algorithm →