Also there is Absolutely no verse in the Holy Scriptures/Bible that states the Lord's Day is the First Day of the Week. Why are you being Partial to Ignatius?
The Lord’s Day
"...I. The origin of the Christian Sunday
Many people believe that the origin of the Christian Sunday is identical with the origin of the Heb. sabbath, and that the sabbath was changed either by Jesus Himself or by His apostles from the seventh to the first day of the week (Wilbur F. Crafts, The Sabbath for Man, p. 376; R. L. Dabney, The Christian Sabbath, pp. 6-8; J. P. Hutchison, Our Obligations to the Day of Rest and Worship, p. 100). This belief has persisted even though no passage of Scripture can be found that teaches that the Heb. sabbath has been transferred from one day of the week to another...."
www.biblegateway.com
The Christians that are Devoted to Keeping the Commands of Elohim/God Know with Absolute Certainty that the Lord's Day is the Sabbath Day
By Revelation. It is correct to state that in the Holy Scripture/Bible there is no Explicit Literal Reference that the Lord's Day is the Sabbath Day.