August 6, 1991 was a

Tuesday

How to solve: August 6, 1991

1. 1
   Century anchor1900s→Wednesday (3)
   Practice →
2. 2
   Divide by 1291 ÷ 12→7
   Practice →
3. 3
   Remainder of 1291 % 12→7
   Practice →
4. 4
   Divide remainder by 47 ÷ 4→1
   Practice →
5. 5
   Year's doomsday(3 + 7 + 7 + 1) % 7→4 → Thursday
   Practice →
6. 6
   Month doomsdayAugust→8th
   Practice →
7. 7
   Distance6 − 8→-2
   Practice →
8. 8
   Final answer(4 + -2) % 7→2 → Tuesday