What is "the Lord's day", the 7th day, the 1st day or some other eschatological day, or something else?

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What is "the Lord's day", the 7th day, the 1st day or some other eschatological day, or something else?

A single page (dual sided) informational, is freely given here - Single Page (Dual Sided) Charts - Prophecy Print Outs : Free Download, Borrow, and Streaming : Internet Archive

A much more in depth and broad scope consideration is freely given, here - The 7th Day The Sabbath - The Rest Of His Eternal Story (by Aaron Earnest) : Free Download, Borrow, and Streaming : Internet Archive

What is "the Lord's day"?​

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Where is this phrase found in scripture?​

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What is it's connection to "the sabbath of the LORD", "the seventh day" if any?​

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What is the historical consideration of the phrase?​

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Are there any historical citations that people bring up in relation to this subject, and are they rightly considered in their original languages, and contexts?​

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Some video for those that like to watch, rather than read:

Part 01 (English only) - ​

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Part 02 (English only) - ​

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Part 03 (English only) - ​

For those that desire some Fijian translation can see those here (please note the titles) -

As always, please feel free to comment, ask questions, participate in discussion, engage in prayerful bible study together! Take the time to follow scriptural counsel and read the material before entering into conversation, Pro. 18:13,17, and come to listen to what is being presented, as in Job, before speaking. There is no need to rush into anything when discussing such weighty matters. Better to ask clarifying questions, and listen to one another, and then go to the Bible together.

I will be glad to discuss this topic with those also desiring to do so.