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July 15, 1777 was a
Tuesday

July 15, 1777 was a Tuesday — that’s 90,908 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
Tuesday
Day of year
196 of 365
ISO week
Week 29
Leap year?
No
Zodiac sign
Cancer
Days ago
90,908

How to solve: July 15, 1777

  1. 1
    Century anchor1700s→Sunday (0)
    Practice →
  2. 2
    Divide by 1277 ÷ 12→6
    Practice →
  3. 3
    Remainder of 1277 % 12→5
    Practice →
  4. 4
    Divide remainder by 45 ÷ 4→1
    Practice →
  5. 5
    Year's doomsday(0 + 6 + 5 + 1) % 7→5 → Friday
    Practice →
  6. 6
    Month doomsdayJuly→11th
    Practice →
  7. 7
    Distance15 − 11→4
    Practice →
  8. 8
    Final answer(5 + 4) % 7→2 → Tuesday

Related dates

Day beforeJuly 14, 1777 — MondayDay afterJuly 16, 1777 — WednesdayOne year earlierJuly 15, 1776 — MondayOne year laterJuly 15, 1778 — Wednesday
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 Spanish-speaking countries, Tuesday the 13th (and not Friday) is considered an unlucky day?