January 24, 1984 was a

Tuesday

How to solve: January 24, 1984

1. 1
   Century anchor1900s→Wednesday (3)
   Practice →
2. 2
   Divide by 1284 ÷ 12→7
   Practice →
3. 3
   Remainder of 1284 % 12→0
   Practice →
4. 4
   Divide remainder by 40 ÷ 4→0
   Practice →
5. 5
   Year's doomsday(3 + 7 + 0 + 0) % 7→3 → Wednesday
   Practice →
6. 6
   Month doomsdayJanuary→4th
   Practice →
7. 7
   Distance24 − 4→20
   Practice →
8. 8
   Final answer(3 + 20) % 7→2 → Tuesday