The Eighth Day or The Last Day is an annual Sabbath.
The yet future fulfillment of the judgment of Satan, the second resurrection of the rest of the dead to physical life, who were not called by God the Father to Jesus Christ to the first resurrection – Rev 20:5. Those in the second resurrection will now have their understanding opened to the books of the bible by Jesus Christ and the saints and be given up to 100 years to live before being judged for eternal life).