The Feast of New Wine and the Golden Calf

Is it legitimate to use Exodus 32 as an argument for New Wine being one of God’s ordained feasts? Is there anything in this chapter which upholds the teaching that the church’s Pentecost actually happened on New Wine and not on traditional Pentecost? Let’s examine this passage together. Let’s consider the LXX rendering. Let’s consider the other early versions. Let’s examine the facts with common sense and sobriety.