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July 20, 2012 was a
Friday

July 20, 2012 was a Friday — that’s 5,070 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
202 of 366
ISO week
Week 29
Leap year?
Yes
Zodiac sign
Cancer
Days ago
5,070

How to solve: July 20, 2012

  1. 1
    Century anchor2000s→Tuesday (2)
    Practice →
  2. 2
    Divide by 1212 ÷ 12→1
    Practice →
  3. 3
    Remainder of 1212 % 12→0
    Practice →
  4. 4
    Divide remainder by 40 ÷ 4→0
    Practice →
  5. 5
    Year's doomsday(2 + 1 + 0 + 0) % 7→3 → Wednesday
    Practice →
  6. 6
    Month doomsdayJuly→11th
    Practice →
  7. 7
    Distance20 − 11→9
    Practice →
  8. 8
    Final answer(3 + 9) % 7→5 → Friday

On this day in history

  • 1969Apollo 11 Moon Landing

Related dates

Day beforeJuly 19, 2012 — ThursdayDay afterJuly 21, 2012 — SaturdayOne year earlierJuly 20, 2011 — WednesdayOne year laterJuly 20, 2013 — 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 'Black Friday' refers to the day after the U.S. Thanksgiving, which marks the beginning of the Christmas shopping season?