Yes, there were two different Sabbaths which occurred during the Passover week when Jesus was crucified.
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Regretfully, I found this several years ago and have no clue who to give credit to. It is also page 214 of a book. Again, I have no clue what book it is.
Everything you know, every doctrine, every understanding, must be supported by the scriptures. And not just a single scripture, but multiple scriptures. If any doctrine or understanding based upon one scripture is contradicted by another scripture, then the doctrine or understanding is without doubt wrong.
By Evangelist John L. Bray (This message was given by Evangelist John L. Bray during a Bible conference at the Orthodox Baptist Church, Pensacola, Florida, on Sunday night, December 31, 1995. It was recorded and edited for publication). Download the PDF file