So you're saying that there was a "before time"? That's illogical at best. You can't have a "before" without time, nor can you have "always," "after," "then," or any other expression that answers the question "when". Note: I'm not saying that time came before God, I'm saying that God did not create time.
The Bible says that man was made at the beginning of creation. Exodus 20:11 states "in six days the LORD made heaven and earth, the sea, and all that is in them." If God made man millions of years after he made the heavens and the earth, that's not at the beginning of creation, and contradicts that passage. But if God made man on day 6 (using a literal 24 hour day, 360 day year), compared to us living 6-10 thousand years after creation, that's quite literally at the beginning of the creation.
"One day is as a thousand years"
See
https://www.icr.org/article/9568/
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