Astrology is the perfect example of the "post hoc ergo propter hoc" fallacy.
People born in the same time period do share some common experiences such as seasons (as in Babylonian) or big events (Chinese). But those commonalities have nothing to do with stars.
Sadly, however, many millions of people are think astrology is real.
Only 51% of Americans correctly say astrology isn't real https://today.yougov.com/entertainment/articles/42292-one-four-americans-say-they-believe-astrology