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July 31, 1941 was a
Thursday

July 31, 1941 was a Thursday — that’s 30,993 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
212 of 365
ISO week
Week 31
Leap year?
No
Zodiac sign
Leo
Days ago
30,993

How to solve: July 31, 1941

  1. 1
    Century anchor1900s→Wednesday (3)
    Practice →
  2. 2
    Divide by 1241 ÷ 12→3
    Practice →
  3. 3
    Remainder of 1241 % 12→5
    Practice →
  4. 4
    Divide remainder by 45 ÷ 4→1
    Practice →
  5. 5
    Year's doomsday(3 + 3 + 5 + 1) % 7→5 → Friday
    Practice →
  6. 6
    Month doomsdayJuly→11th
    Practice →
  7. 7
    Distance31 − 11→20
    Practice →
  8. 8
    Final answer(5 + 20) % 7→4 → Thursday

Related dates

Day beforeJuly 30, 1941 — WednesdayDay afterAugust 1, 1941 — FridayOne year earlierJuly 31, 1940 — WednesdayOne year laterJuly 31, 1942 — 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 Thursday is named after Thor, the Norse god of thunder?