January 27, 1973 was a

Saturday

How to solve: January 27, 1973

1. 1
   Century anchor1900s→Wednesday (3)
   Practice →
2. 2
   Divide by 1273 ÷ 12→6
   Practice →
3. 3
   Remainder of 1273 % 12→1
   Practice →
4. 4
   Divide remainder by 41 ÷ 4→0
   Practice →
5. 5
   Year's doomsday(3 + 6 + 1 + 0) % 7→3 → Wednesday
   Practice →
6. 6
   Month doomsdayJanuary→3rd
   Practice →
7. 7
   Distance27 − 3→24
   Practice →
8. 8
   Final answer(3 + 24) % 7→6 → Saturday