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This is a genuine question. I'm curious because I read somewhere that even the most religious Orthodox Jews accept the Darwinian theory of evolution, and that even they don't believe dinosaurs lived in the same time period as humans. Is this true? If so, how do they explain the fact that the calculations of the Jewish calendar are the same as the calculations used by young earth creationists to argue that the universe is 6,000 years old? If religious Orthodox Jews don't believe that the universe is 5,778 years old, then what do they mean when they say that we are in the year 5,778? On the other hand, if religious Orthodox Jews do believe that the universe is 5,778 years old, then how can evolution be true since it requires billions of years to take place?
My question is NOT "Do Jews believe in evolution?" or "Do Jews believe in young earth creationism?" or "Do Jews believe in the coexistence of dinosaurs and humans?"
Rather, my question is more specifically about how evolutionist Jews reconcile their Jewish calendar (which seems to imply that the universe is 5,778 years old) with the Darwinian theory of evolution.