The resurrection would be 3 days and 3 nights after entering the earth. As the burial happened just prior to the beginning/dawning of the high holy sabbath of the feast of unleavened bread, which would occur on the 15th of Nissan, which would be at the end of preparation day, the 14th of Nissan, which would be what the nations call Wednesday evening, and 3 days and 3 night later, when "now late on the Sabbath, as it began to dawn toward the first day of the week, Mary Magdalene and the other Mary came to look at the grave" (Matthew 28:1), points towards your narrative being contrived. Contrived to the extent that the Roman church catechism changes the commandments to read "keep holy the day of the Lord".
King James Bible
In the
end of the sabbath, as it began to dawn toward the first
day of the week, came Mary Magdalene and the other Mary to see the sepulcher.
As for the nations/Gentiles, they were never tasked with keeping the commandments, but on the other hand, any "foreigners"/Gentiles, who wanted to worship the LORD were tasked with keeping God's statutes, with emphasis on the Sabbath. (Isaiah 56:6).
Isaiah 56:6 Also the sons of the foreigner Who join themselves to the LORD, to serve Him, And to love the name of the LORD, to be His servants— Everyone who keeps from defiling the Sabbath, And holds fast My covenant—