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June 30, 2026 is a
Tuesday
How to solve:
June 30, 2026
1
Century anchor
2000s
→
Tuesday (2)
Practice →
2
Divide by 12
26 ÷ 12
→
2
Practice →
3
Remainder of 12
26 % 12
→
2
Practice →
4
Divide remainder by 4
2 ÷ 4
→
0
Practice →
5
Year's doomsday
(2 + 2 + 2 + 0) % 7
→
6 → Saturday
Practice →
6
Month doomsday
June
→
6th
Practice →
7
Distance
30 − 6
→
24
Practice →
8
Final answer
(6 + 24) % 7
→
2 → Tuesday
Practice the Doomsday algorithm →