the quandary arises from the story that Jesus invoked Jonah, who with oxygen supply and acid resistant coating survived 3 -three- days in the fish. saying he, the messiah, would emerge after 3 days from the tomb.
That meant he spend saturday, friday. thursday in our sequencing in sheol, died Wednesday not earlier than Thursday.
Lazarus his contemporary resurrectee at 4 days was already odorous, so he avoided that stage.
Jesus could not have been a false prophet, because that would not made him an unblemished ransom sacrifice, so: give him the three days of cave dwelling.