What we can’t trust is people who ignore “the works of His hands” that we can observe and try to cram it into 6 days starting when there was nothing by which the days could be counted.
For your consideration....
Here’s an interesting take on the conundrum. Schroeder is an astrophysicist from MIT, who is Jewish and a believer inN God. H e knows Hebrew and looks at the Hebrew text for insight into his theory.
The Age of the Universe - Gerald Schroeder
http://geraldschroeder.com/AgeUniverse.aspx
The Age of the Universe: One Reality Viewed from Two Different Perspectives
https://aish.com/the-age-of-the-universe-one-reality-viewed-from-two-different-perspectives/