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

April 3, 2010 was a
Saturday

How to solve: April 3, 2010

  1. 1
    Century anchor2000s→Tuesday (2)
    Practice →
  2. 2
    Divide by 1210 ÷ 12→0
    Practice →
  3. 3
    Remainder of 1210 % 12→10
    Practice →
  4. 4
    Divide remainder by 410 ÷ 4→2
    Practice →
  5. 5
    Year's doomsday(2 + 0 + 10 + 2) % 7→0 → Sunday
    Practice →
  6. 6
    Month doomsdayApril→4th
    Practice →
  7. 7
    Distance3 − 4→-1
    Practice →
  8. 8
    Final answer(0 + -1) % 7→6 → Saturday
Practice the Doomsday algorithm →