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June 19, 2028 is a
Monday
How to solve:
June 19, 2028
1
Century anchor
2000s
→
Tuesday (2)
Practice →
2
Divide by 12
28 ÷ 12
→
2
Practice →
3
Remainder of 12
28 % 12
→
4
Practice →
4
Divide remainder by 4
4 ÷ 4
→
1
Practice →
5
Year's doomsday
(2 + 2 + 4 + 1) % 7
→
2 → Tuesday
Practice →
6
Month doomsday
June
→
6th
Practice →
7
Distance
19 − 6
→
13
Practice →
8
Final answer
(2 + 13) % 7
→
1 → Monday
Practice the Doomsday algorithm →