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

August 21, 1952 was a
Thursday

August 21, 1952 was a Thursday — that’s 26,955 days ago. Below you can see exactly how to work the weekday out in your head with the Doomsday algorithm, along with a few other facts about the date.

Weekday
Thursday
Day of year
234 of 366
ISO week
Week 34
Leap year?
Yes
Zodiac sign
Leo
Days ago
26,955

How to solve: August 21, 1952

  1. 1
    Century anchor1900s→Wednesday (3)
    Practice →
  2. 2
    Divide by 1252 ÷ 12→4
    Practice →
  3. 3
    Remainder of 1252 % 12→4
    Practice →
  4. 4
    Divide remainder by 44 ÷ 4→1
    Practice →
  5. 5
    Year's doomsday(3 + 4 + 4 + 1) % 7→5 → Friday
    Practice →
  6. 6
    Month doomsdayAugust→8th
    Practice →
  7. 7
    Distance21 − 8→13
    Practice →
  8. 8
    Final answer(5 + 13) % 7→4 → Thursday

Related dates

Day beforeAugust 20, 1952 — WednesdayDay afterAugust 22, 1952 — FridayOne year earlierAugust 21, 1951 — TuesdayOne year laterAugust 21, 1953 — Friday
Want to be able to do this for any date in seconds? Read the guide or practice the algorithm.
Did you know? Did you know that 'Black Thursday' refers to several historical events that occurred on a Thursday, including a major stock market crash in 1929?