December 2, 1804 was a

Sunday

How to solve: December 2, 1804

1. 1
   Century anchor1800s→Friday (5)
   Practice →
2. 2
   Divide by 124 ÷ 12→0
   Practice →
3. 3
   Remainder of 124 % 12→4
   Practice →
4. 4
   Divide remainder by 44 ÷ 4→1
   Practice →
5. 5
   Year's doomsday(5 + 0 + 4 + 1) % 7→3 → Wednesday
   Practice →
6. 6
   Month doomsdayDecember→12th
   Practice →
7. 7
   Distance2 − 12→-10
   Practice →
8. 8
   Final answer(3 + -10) % 7→0 → Sunday