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DOES 1 CORINTHIANS 16 PROVE SUNDAY IS THE NEW SABBATH?

Many use 1 Corinthians 16:2 to claim the early church was now keeping Sunday because Paul told believers to lay aside money on the first day of the week.

But read the verse carefully Paul says
“Upon the first day of the week let every one of you lay by him in store, as God hath prospered him…” 1 Corinthians 16:2

The key phrase is “lay by him in store.”

Paul was not describing a church offering service. He was telling each person to set money aside privately at the beginning of the week, according to how God had prospered them, so that when he arrived, the collection would already be ready.

This was practical instruction, not a Sabbath command.

If Sunday had become the new Sabbath, then Paul would be instructing believers to do financial planning, counting, setting aside, and preparing money on the holy day.

That is a transgression of the Sabbath.

The Sabbath is not for ordinary business or financial arranging. So if Sunday were now the Christian Sabbath, Paul would not be telling believers to use it for money matters.

Instead, the passage is showing Sunday is simply the first working day of the week — the day to organise household matters before the week unfolded and before the money was spent elsewhere.

So Paul is essentially saying:
At the beginning of the week, before your earnings are used up, set aside what you can give, so the collection is ready when I come.

So 1 Corinthians 16 does not prove Sunday sacredness.
It shows the first day being used as a practical day to organise giving before the money was spent.

Paul was not changing the Sabbath.
He was organising good stewardship.