March 30, 1971 was a

Tuesday

How to solve: March 30, 1971

1. 1
   Century anchor1900s→Wednesday (3)
   Practice →
2. 2
   Divide by 1271 ÷ 12→5
   Practice →
3. 3
   Remainder of 1271 % 12→11
   Practice →
4. 4
   Divide remainder by 411 ÷ 4→2
   Practice →
5. 5
   Year's doomsday(3 + 5 + 11 + 2) % 7→0 → Sunday
   Practice →
6. 6
   Month doomsdayMarch→14th
   Practice →
7. 7
   Distance30 − 14→16
   Practice →
8. 8
   Final answer(0 + 16) % 7→2 → Tuesday