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June 12, 1972 was a
Monday

June 12, 1972 was a Monday — that’s 19,720 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
Monday
Day of year
164 of 366
ISO week
Week 24
Leap year?
Yes
Zodiac sign
Gemini
Days ago
19,720

How to solve: June 12, 1972

  1. 1
    Century anchor1900s→Wednesday (3)
    Practice →
  2. 2
    Divide by 1272 ÷ 12→6
    Practice →
  3. 3
    Remainder of 1272 % 12→0
    Practice →
  4. 4
    Divide remainder by 40 ÷ 4→0
    Practice →
  5. 5
    Year's doomsday(3 + 6 + 0 + 0) % 7→2 → Tuesday
    Practice →
  6. 6
    Month doomsdayJune→6th
    Practice →
  7. 7
    Distance12 − 6→6
    Practice →
  8. 8
    Final answer(2 + 6) % 7→1 → Monday

Related dates

Day beforeJune 11, 1972 — SundayDay afterJune 13, 1972 — TuesdayOne year earlierJune 12, 1971 — SaturdayOne year laterJune 12, 1973 — Tuesday
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 the third Monday of January is often referred to as 'Blue Monday' and is considered the most depressing day of the year?