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December 25, 2029 is a
Tuesday

How to solve: December 25, 2029

  1. 1
    Century anchor2000s→Tuesday (2)
    Practice →
  2. 2
    Divide by 1229 ÷ 12→2
    Practice →
  3. 3
    Remainder of 1229 % 12→5
    Practice →
  4. 4
    Divide remainder by 45 ÷ 4→1
    Practice →
  5. 5
    Year's doomsday(2 + 2 + 5 + 1) % 7→3 → Wednesday
    Practice →
  6. 6
    Month doomsdayDecember→12th
    Practice →
  7. 7
    Distance25 − 12→13
    Practice →
  8. 8
    Final answer(3 + 13) % 7→2 → Tuesday
Practice the Doomsday algorithm →