Eevee Eggs hatch in 35 Egg cycles.
Generation II 8960 steps
Generation III 9216 steps
Generation IV 9180 steps
Generation V/VI 8995 steps
Generation VII 8960 steps
Generation VIII/IX 4480 steps
List of Pokémon by breeding attributes (Bulbapedia) Decreasing Egg cycles (Bulbapedia)
According to Serebii, its base egg steps are equal to 8,960.
It takes 8,960 steps to hatch an Eevee egg.
Source
8,960 i think
