Let's see.
I remain on the earth.
You travel very fast in the solar system.
All the while, you agree with my view of the earth's position around the sun based on observations.
You come back and claim the earth rotated .5 times, or 12 hours on your clock.
I claim the earth rotated 1 time or 24 hours.
Your observations also agree the earth rotated 1 time.
But, your clock reads 12 hours and mine reads 24 hours.
So, did you live 1 earth rotation as your observations show or did you live .5 earth rotations as your clock shows?
You are caught in a contradiction.