Tradition has been in place of the Word of God since the mid 4th century.
Sunday worship replaced Godly worship officially at the Council of Lao DiCea in 364 AD.
Give ‘em Hades!
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Sorry, but "tradition" is best exemplified by either God the Father, God the Son, or the Holy Spirit having set a precedent...or God speaking thru a prophet or via His Son.
And that "precedent" for honoring Sunday didn't first take place; not at all...it occurred on Resurrection Sunday.