I don’t know when the flood occurred.
There are many schemes for dating it.
Time will tell.
Nevertheless, Scripture is also true about the man in your mirror.
Denial of that has consequences important to each man in each mirror.
There are many schemes for dating it.
The date I quoted, about 4,350 years ago, is the consensus of Biblical scholars.
That gives archaeologists and other scientists a specific age range to examine for evidence of a global flood.
The evidence isn't there. The idea of a global flood about 4,350 years ago is a myth.
And if the Bible is wrong on such a major issue, what else is it wrong about?