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 26, 1921 was a
Friday

August 26, 1921 was a Friday — that’s 38,273 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
Friday
Day of year
238 of 365
ISO week
Week 34
Leap year?
No
Zodiac sign
Virgo
Days ago
38,273

How to solve: August 26, 1921

  1. 1
    Century anchor1900s→Wednesday (3)
    Practice →
  2. 2
    Divide by 1221 ÷ 12→1
    Practice →
  3. 3
    Remainder of 1221 % 12→9
    Practice →
  4. 4
    Divide remainder by 49 ÷ 4→2
    Practice →
  5. 5
    Year's doomsday(3 + 1 + 9 + 2) % 7→1 → Monday
    Practice →
  6. 6
    Month doomsdayAugust→8th
    Practice →
  7. 7
    Distance26 − 8→18
    Practice →
  8. 8
    Final answer(1 + 18) % 7→5 → Friday

Related dates

Day beforeAugust 25, 1921 — ThursdayDay afterAugust 27, 1921 — SaturdayOne year earlierAugust 26, 1920 — ThursdayOne year laterAugust 26, 1922 — Saturday
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 in many countries, casual Fridays or dress-down Fridays are a common workplace practice?