What the day logo
What the Day
PracticePlayDaily
Copyright © 2026 Jesper Kiledal
All rights reserved
☕Buy me a coffee

November 23, 2004 was a
Tuesday

How to solve: November 23, 2004

  1. 1
    Century anchor2000s→Tuesday (2)
    Practice →
  2. 2
    Divide by 124 ÷ 12→0
    Practice →
  3. 3
    Remainder of 124 % 12→4
    Practice →
  4. 4
    Divide remainder by 44 ÷ 4→1
    Practice →
  5. 5
    Year's doomsday(2 + 0 + 4 + 1) % 7→0 → Sunday
    Practice →
  6. 6
    Month doomsdayNovember→7th
    Practice →
  7. 7
    Distance23 − 7→16
    Practice →
  8. 8
    Final answer(0 + 16) % 7→2 → Tuesday
Practice the Doomsday algorithm →