The Lord's Day is Sunday.

Bible Highlighter said:

Here we see on “the first day” of the week (Sunday) that Jesus was already risen, and He shows Himself to Mary and tells her, “I ascend (rise) unto my Father.” Mary later tells the disciples that she has seen “the Lord.”

This is the Lord's day in that He had ascended or risen to the Father.

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Jesus rose on the first day, and that is why a later verse in the Bible says that the early Christians met for worship on Sunday. However, he did not ascend to the Father on the same day as he rose from the grave.

I don’t think it’s talking about a day of the week.

I think it’s talking about the Day of Yahweh that was foretold by the Prophets

“The Lord’s Day” is just a shortened way of saying “The Day of the Lord”. Hebrew doesn’t have contractions like we do in English.

we might say “God’s law”, for example, but they would say “the law of God”.

John "was in the spirit", meaning that he was having a vision. What he records are the revealed events that will occur on that "day".

Bible Highlighter said:

They discovered his empty tomb on the first day of the week (Sunday), and then Jesus ascended (risen) to the Father to enter the temple by His blood and become our Heavenly high priest (So as to be our mediator between God the Father and mankind).

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Where does this idea come from (Scripturally speaking)? Acts 1:3 and Acts 1:9 place it at 40 days later. The only other explanation would seem to be that he ascended, came back, and then ascended again (for what reason there is no explanation).

Bible Highlighter said:

The Lord's Day is Sunday:

Revelation 1:10 mentions the “Lord's day.”

“I was in the Spirit on the Lord's day, ...” (Revelation 1:10).​

Some believe this day to be Sunday, and others believe this day to be Saturday (i.e. the Saturday Sabbath, or the seventh day [last day] of the week). Let's examine Scripture to find out what the Lord's day is.

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Mary, Peter, and others witness the empty tomb:

“The first day of the week cometh Mary Magdalene early, when it was yet dark, unto the sepulchre, and seeth the stone taken away from the sepulchre.” (John 20:1).

6 “Then cometh Simon Peter... and went into the sepulchre, and seeth the linen clothes lie,
7 And the napkin, that was about his head, not lying with the linen clothes, but wrapped together in a place by itself.” (John 20:6-7).

“...yet they knew not the scripture, that he must rise again from the dead.”
(John 20:9).

10 “Then the disciples went away again unto their own home.
11 But Mary stood without at the sepulchre weeping:” (John 20:10-11).

“Jesus saith unto her, Woman, why weepest thou? whom seekest thou? She, supposing him to be the gardener,...” (John 20:15).

16 Jesus saith unto her, Mary. She turned herself, and saith unto him, Rabboni; which is to say, Master.
17 Jesus saith unto her, Touch me not; for I am not yet ascended to my Father: but go to my brethren, and say unto them, I ascend unto my Father, and your Father; and to my God, and your God.
18 Mary Magdalene came and told the disciples that she had seen the Lord, and that he had spoken these things unto her.​

Here we see on “the first day” of the week (Sunday) that Jesus was already risen, and He shows Himself to Mary and tells her, “I ascend (rise) unto my Father.” Mary later tells the disciples that she has seen “the Lord.”

This is the Lord's day in that He had ascended or risen to the Father.

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On the Road to Emmaus:

Jesus (with his identity hidden) talked with two men on the road to Emmaus about His death and resurrection:

The two men said:

“Yea, and certain women also of our company made us astonished, which were early at the sepulchre; And when they found not his body, they came, saying, that they had also seen a vision of angels, which said that he was alive.” (Luke 24:22-23).​

Jesus said unto them:

“O fools, and slow of heart to believe all that the prophets have spoken: Ought not Christ to have suffered these things, and to enter into his glory?” (Luke 24:25-26).​

Later, after Jesus revealed his full identity to them (in who He was) at dinner and departed:

The two men said:

32 “And they said one to another, Did not our heart burn within us, while he talked with us by the way, and while he opened to us the scriptures?
33 And they rose up the same hour, and returned to Jerusalem, and found the eleven gathered together, and them that were with them,
34 Saying, The Lord is risen indeed, and hath appeared to Simon.
35 And they told what things were done in the way, and how he was known of them in breaking of bread.” (Luke 24:32-35).​

The Lord is risen indeed!
Jesus ascended or had risen to His Father!
This was on the first day the disciples discovered the empty tomb!
This is the Lord's day. The culmination or climactic high point of God's story in the salvation of mankind. He is risen! The Lord is risen! The Lord is risen indeed! The first day of the week! The Lord's day! Sunday!

For Christians would be known for gathering on Sunday or the first day of the week (Which is based on Scripture).

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I voted for door number one.

Bible Highlighter said:

The Lord's Day is Sunday:

Revelation 1:10 mentions the “Lord's day.”

“I was in the Spirit on the Lord's day, ...” (Revelation 1:10).​

Some believe this day to be Sunday, and others believe this day to be Saturday (i.e. the Saturday Sabbath, or the seventh day [last day] of the week). Let's examine Scripture to find out what the Lord's day is.

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Oh, jolly good idea there mate, to "examine Scripture to find out what the Lord's day is"!

I voted "other", as in scripture, there is no "Sunday", and neither "Saturday" texts. The bible from Genesis speaks of 1-7 and evening and morning. Both of the other designations are really pagan in origin and not of the same chronological time keeping. The sabbath in scripture, as you mentioned, is the seventh day, as Genesis and Exodus and so many other texts so clearly state.

Now to the issue of what is "the Lord's day" in Revelation 1:10, well, as you have said we ought to "examine Scripture to find out".

The "Lord's day" according to scripture:

Genesis 2:1-3,4 - 'the seventh day', 'God', 'day', 'the LORD God' [… God [the LORD] … day …]

Exodus 16:23 - "to morrow [the seventh day] is the rest of the holy sabbath unto the LORD', 'to day' [… the LORD … day …]

Exodus 16:25 - 'to day [the seventh day]; for to day is a sabbath unto the LORD: to day' [.,. the LORD … day …]

Exodus 20:8-11 - 'the sabbath day', 'the seventh day is the sabbath of the LORD thy God', 'the sabbath day' [… the LORD … day …]

Exodus 31:15 - 'the seventh is the sabbath of rest, holy to the LORD ... the sabbath day' [… the LORD … day …]

Exodus 35:2,3 - 'the seventh day there shall be to you an holy day, a sabbath of rest to the LORD', 'the sabbath day' [… the LORD … day …]

Leviticus 23:3 - 'the seventh day is the sabbath of rest, an holy convocation; ye shall do no work therein: it is the sabbath of the LORD'

Deuteronomy 5:12,14 – 'the LORD', 'the seventh day is the sabbath of the LORD thy God' [… the LORD … day …]

Psalms 92:1 - 'A Psalm or Song for the sabbath day. It is a good thing to give thanks unto the LORD'

Isaiah 56:6 - 'Also the sons of the stranger, that join themselves to the LORD, to serve him, and to love the name of the LORD, to be his servants, every one that keepeth the sabbath [day] from polluting it, and taketh hold of my covenant' (context new covenant) [… the LORD … [day] …]

Isaiah 58:13 - 'the sabbath ... my [the LORD's] holy day ... the holy [day] of the Lord' [… [the LORD's] … day …]

Isaiah 66:22,23 – 'the LORD', 'one sabbath [day] to another, shall all flesh come to worship before me, saith the LORD' [… the LORD … [day] …]

Jeremiah 17:21 - 'saith the LORD... on the sabbath day' [… the LORD … day …]

Matthew 12:8 - 'the Son of man is Lord even of the sabbath day' [… the Lord … day …]

Mark 2:28 - 'the Son of man is Lord even of the sabbath day' [… the Lord … day …]

Luke 6:5 - 'the Son of man is Lord also of the sabbath [day]' [… the Lord … [day] …]

Revelation 1:10 - 'the Lord's day'

Some commentaries show the following truth's:

Peter Pett's commentary makes this accurate note:

"... Sunday is not called ‘the Lord’s day’ (he kyriake hemera) anywhere in Scripture ..."

Dr. Thomas Constable likewise states the same truth:

"... The New Testament writers never called Sunday the Lord"s day elsewhere in Scripture. ..."

Richard Chenevix Trench has stated on record, and accurately that:

"... “Some have assumed, from this passage, that ἡμέρα κυριακή was a designation of Sunday already familiar among Christians. This, however, seems a mistake ..."

Likewise, Foy E Wallace states:

"... It is not a reference to the first day of the week ..."

Isaiah 58:13 in various English translations.

KJB - "... my [context, the LORD's] holy day ..."

CJB - “... Adonai’s holy day ..."

ERV - "... the Lord’s special day ..."

EXB - “... the Lord’s holy day ..."

GW - "... the Lord’s holy day ..."

ICB - “... the Lord’s holy day ..."

ISV - "... the Lord’s holy day ..."

TLB - "... the Lord’s holy day ..."

MSG - "... God’s holy day ..."

NOG - "... Yahweh’s holy day ..."

NABRE - "... the Lord’s holy day ..."

NCV - "... the Lord’s holy day ..."

NET - "... the Lord’s holy day ..."

NIRV - "... the Lord’s holy day ..."

NIV - "... the Lord’s holy day ..."

NIVUK - "... the Lord’s holy day ..."

NLT - "... the Lord’s holy day ..."

TPT - "... Yahweh’s holy day ..."

Bible Highlighter said:

To all:

The disciples gathered on the first day of the week:

“And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them, ready to depart on the morrow; and continued his speech until midnight.” (Acts of the Apostles 20:7).

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Acts 20:7

Act 20:7 And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them, ready to depart on the morrow; and continued his speech until midnight.

This is an evening meeting, after Sabbath was over, for we see lights, and evening meals being eaten, and timeframe of preaching to Midnight and beyond. In fact, Paul travels some 19-21ish miles (from Troas) to the next city, Assos, by foot during the morning time. There is no “Sunday” service here. The day, scripturally begins at “evening” (Genesis 1, etc), and thus it is technically what the western mind would call “Saturday night”.

There is no continual pattern here, as it is a special meeting and farewell for Paul, who is forever leaving them, and because of the events of Eutychus.

The disciples eat a common meal, as they did every day (Acts 2 & 5), for there is no mention of the “cup”, “Lord's table or supper”, “footwashing”, “fruit of the vine”, etc. The phrase in koine Greek is again demonstrative that the 7th day the sabbath is the culmination of the week, “εν δε τη μια των σαββατων”, as every single “first [day]” text reveals. There is no special designation for the day and Luke wrote this years afterward. There is no continual pattern. This is a one-off event amidst a series of one-off events.

Even as a pattern, it is at night time, held until midnight and beyond. Do they really follow this as an example in their practice, and if not, why not?

Bible Highlighter said:

To all:

The disciples gathered on the first day of the week:

“Now concerning the collection for the saints, as I have given order to the churches of Galatia, even so do ye. Upon the first day of the week let every one of you lay by him in store, as God hath prospered him, that there be no gatherings when I come.” (1 Corinthians 16:1-2).

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1 Corinthians 16:2

1Co 16:2 Upon the first day of the week let every one of you lay by him in store, as God hath prospered him, that there be no gatherings when I come.

This is instruction by Paul, for the believers to gather their special collection offering for the poor in the dearth (famine) in Jerusalem, etc., at home by themselves ("every one of you (individual) lay by him (that is personal, at home) in store (personal storehouse)") and when Paul came by, they were to all have it ready for him and others to take.

There is no church meeting here. It is a personal matter to be dealt with at home after Sabbath was over. Also, the instruction was specific to the needs in Jerusalem in the time of famine. It was a special collection for those saints in the trouble. There is no mention of "worship", "temple", "synagogue", "house to house", "meeting", "Lord's supper", "breaking of bread", etc here. There is no continual gathering "together" here either, as the instruction was to do this personally, individually at home (even the koine Greek is clear on this).

Yet, again in the koine Greek, we see yet once more that the 7th day the Sabbath is still (and always) the culmination of the week, while the 'first [day]" is still simply a number in relation to God's rest, "κατα μιαν σαββατων".

Bible Highlighter said:

Revelation 1:10 mentions the “Lord's day.”

“I was in the Spirit on the Lord's day, ...” (Revelation 1:10).​

Some believe this day to be Sunday, and others believe this day to be Saturday (i.e. the Saturday Sabbath, or the seventh day [last day] of the week). Let's examine Scripture to find out what the Lord's day is.

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Revelation 1:10:

Rev 1:10 I was in the Spirit on the Lord's day, and heard behind me a great voice, as of a trumpet,
Rev 1:10 εγενομην εν πνευματι εν τη κυριακη ημερα και ηκουσα οπισω μου φωνην μεγαλην ως σαλπιγγος
Rev 1:10 I wasG1096 inG1722 the SpiritG4151 onG1722 theG3588 Lord'sG2960 day,G2250 andG2532 heardG191 behindG3694 meG3450 a greatG3173 voice,G5456 asG5613 of a trumpet,G4536
Rev 1:10 εγενομηνG1096 V-2ADI-1S ενG1722 PREP πνευματιG4151 N-DSN ενG1722 PREP τηG3588 T-DSF κυριακηG2960 A-DSF ημεραG2250 N-DSF καιG2532 CONJ ηκουσαG191 V-AAI-1S οπισωG3694 ADV μουG1473 P-1GS φωνηνG5456 N-ASF μεγαληνG3173 A-ASF ωςG5613 ADV σαλπιγγοςG4536 N-GSF

The word "κυριακη" (translit. "kuriake") is an Adjective - Dative - Singular - Feminine. This means it is being used as a 'possessive' ("of", see 1 Corinthians 11:20, "the Lord's supper"), which means the "day" in context belongs to "the Lord". It is literally "the Lord's (belonging to) day". This means, that the "day" in context is uniquely "the Lord's" out of all the 7 days of the week, for the day under consideration is that which exists within the week, as a day which repeats weekly. This is extremely important, as those who incorrectly assume it to mean "the first [day] of the week" in lieu of Jesus' resurrection, cannot get a weekly occurrence out of a one-time event, in fulfilment of typology of the Firstfruit/Wavesheaf in Leviticus 23:9-14, as made known in 1 Corinthians 15:20,23..

This is not as the phrase "day of the Lord" (ἡμέρα κυρίου) which is written in the genitive masculine case (see 2 Peter 3:10, etc, and also so called septuaginta uses).

In Latin, we see it similarly used in Exodus 20 (Latin is without the definite article, as Latin does not use definite articles):

Rev 1:10 fui in spiritu in dominica die et audivi post me vocem magnam tamquam tubae

Exo 20:8 memento ut diem sabbati sanctifices Exo 20:9 sex diebus operaberis et facies omnia opera tua Exo 20:10 septimo autem die sabbati Domini Dei tui non facies omne opus tu et filius tuus et filia tua servus tuus et ancilla tua iumentum tuum et advena qui est intra portas tuas Exo 20:11 sex enim diebus fecit Dominus caelum et terram et mare et omnia quae in eis sunt et requievit in die septimo idcirco benedixit Dominus diei sabbati et sanctificavit eum

Which is akin to Genesis' "God's day":

Gen 2:1 igitur perfecti sunt caeli et terra et omnis ornatus eorum Gen 2:2 conplevitque Deus die septimo opus suum quod fecerat et requievit die septimo ab universo opere quod patrarat Gen 2:3 et benedixit diei septimo et sanctificavit illum quia in ipso cessaverat ab omni opere suo quod creavit Deus ut faceret

Whereas the differing apocalyptic day, "the day of the Lord" in Latin is "dies Domini" as in Zephaniah 1:14:

Zep 1:14 iuxta est dies Domini magnus iuxta et velox nimis vox diei Domini amara tribulabitur ibi fortis

In Isaiah 58:13, we read of a "day" that "the Lord" specifically calls "my day":
Isa 58:13 If thou turn away thy foot from the sabbath, from doing thy pleasure on my holy day; and call the sabbath a delight, the holy [day] of the LORD, honourable; and shalt honour him, not doing thine own ways, nor finding thine own pleasure, nor speaking thine own words:

In many translations of Isaiah 58:13 we read that the 7th day, the sabbath of the Lord, is said to be "the Lord's holy day", with the word holy being another adjective, while the "Lord's" is possessive. - /Isaiah 58:13 - Bible Gateway

Thus when reading Isaiah 58:13 with simple pronoun substitution, it would read "... the ... [Lord's] day ...", just as it does in Exodus 20:8-11. John cited this text, in the midst of citing a series of OT texts, in a chiastic structure.

Bible Highlighter said:

Revelation 1:10 mentions the “Lord's day.”

“I was in the Spirit on the Lord's day, ...” (Revelation 1:10).​

Some believe this day to be Sunday, and others believe this day to be Saturday (i.e. the Saturday Sabbath, or the seventh day [last day] of the week). Let's examine Scripture to find out what the Lord's day is.

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The context shows that the "day" spoken of, in each texts presented is "the LORD('s)". John as a physical Jew, who was following the Messiah (Jesus), thus a Christian, was on the Isle of Patmos, for what reason?

Rev 1:2 Who bare record of the word of God, and of the testimony of Jesus Christ, and of all things that he saw.

Rev 1:9 I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.

It is even given in other places:

Rev_6:9 And when he had opened the fifth seal, I saw under the altar the souls of them that were slain for the word of God, and for the testimony which they held:

Rev_20:4 And I saw thrones, and they sat upon them, and judgment was given unto them: and I saw the souls of them that were beheaded for the witness of Jesus, and for the word of God, and which had not worshipped the beast, neither his image, neither had received his mark upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years.

What is this "word of God" and the "testimony/witness of Jesus"? We do not have to in any way guess, for John tells us in parallel fashion:

Rev 12:17 And the dragon was wroth with the woman, and went to make war with the remnant of her seed, which keep the commandments of God, and have the testimony of Jesus Christ.

This is found way back in the OT:

Deu_4:2 Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the LORD your God which I command you.

So, when John references "the Lord's day", it is in the context of "the word of God", which are God's Commandments. Well, which commandment then? Again, we do not have to guess, for John tells us:

Rev 14:7 Saying with a loud voice, Fear God, and give glory to him; for the hour of his judgment is come: and worship him that made heaven, and earth, and the sea, and the fountains of waters.
Rev 14:12 Here is the patience of the saints: here are they that keep the commandments of God, and the faith of Jesus.

What specific commandment, was John citing? The 4th Commandment, specifically, Exodus 20:11,

Exo 20:11 For in six days the LORD made heaven and earth, the sea, and all that in them is, and rested the seventh day: wherefore the LORD blessed the sabbath day, and hallowed it.

The whole Commandment:

Exo 20:8 Remember the sabbath day, to keep it holy. Exo 20:9 Six days shalt thou labour, and do all thy work: Exo 20:10 But the seventh day is the sabbath of the LORD thy God: in it thou shalt not do any work, thou, nor thy son, nor thy daughter, thy manservant, nor thy maidservant, nor thy cattle, nor thy stranger that is within thy gates: Exo 20:11 For in six days the LORD made heaven and earth, the sea, and all that in them is, and rested the seventh day: wherefore the LORD blessed the sabbath day, and hallowed it.

That little word "of" is possessive. Thus when God speaks, by His own voice, the He (the LORD) has chosen a specific (definite article) "day", it is thus "the LORD('s) ... day", being His sabbath, the 7th day, from the foundation of the world in Genesis 2:1-3, where therein it is "God('s; the LORD's) ... day".

The "word of God" = God's commandments:

Isa_1:10 Hear the word of the LORD, ye rulers of Sodom; give ear unto the law of our God, ye people of Gomorrah.

and the "testimony of Jesus" is the Spirit of prophecy (Revelation 19:10), and as found all throughout scripture:

2Ki_17:13 Yet the LORD testified against Israel, and against Judah, by all the prophets, and by all the seers, saying, Turn ye from your evil ways, and keep my commandments and my statutes, according to all the law which I commanded your fathers, and which I sent to you by my servants the prophets.

Psa_19:7 The law of the LORD is perfect, converting the soul: the testimony of the LORD is sure, making wise the simple.

Psa_78:5 For he established a testimony in Jacob, and appointed a law in Israel, which he commanded our fathers, that they should make them known to their children

Pro_29:18 Where there is no vision, the people perish: but he that keepeth the law, happy is he. :

Isa_8:16 Bind up the testimony, seal the law among my disciples.

Isa_8:20 To the law and to the testimony: if they speak not according to this word, it is because there is no light in them.

Lam_2:9 Her gates are sunk into the ground; he hath destroyed and broken her bars: her king and her princes are among the Gentiles: the law is no more; her prophets also find no vision from the LORD.

Eze_7:26 Mischief shall come upon mischief, and rumour shall be upon rumour; then shall they seek a vision of the prophet; but the law shall perish from the priest, and counsel from the ancients.

Mat_22:40 On these two commandments hang all the law and the prophets.

Rom_3:21 But now the righteousness of God without the law is manifested, being witnessed by the law and the prophets;

Therefore, notice again the connection of the Apostle and prophet John, who receives a "vision", in connection with keeping God's commandments, and was resting specifically on "the LORD's day":

Rev 1:10 I was in the Spirit on the Lord's day, and heard behind me a great voice, as of a trumpet,

The Law (Lord's day) and the testimony (spirit of prophecy) again are witnessed therein.

Even in Isaiah 58:13, in many 'modern' translations, the phrase "the LORD's holy day" appear - Isaiah 58:13 - Bible Gateway
"Holy" is merely the adjective.

It always speaks of the 7th day the sabbath of the LORD, His holy day.

Line upon line, and no need for a single non-scriptural source to re-define by the man of sin's tradition.

Bible Highlighter said:

I noticed you quoted a lot of references from the Old Testament in defense for keeping the Sabbath

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Yeah, just imagine the horror of Paul seeing someone cite a bunch of old-dusty-worn out and long since forgotten OT texts to defend anything, like a resurrection or something like that. I am sure glad we have Paul as a model Christian and he would never use ... O wait a minute ...

Bible Highlighter said:

There are two ascensions. Jesus ascended a first time when He told Mary not to touch Him. He told Mary to tell the other disciples that He ascends to His Father (See: John 20:17). Then Jesus ascended a second time (in front of many witnesses) after returning and being with his disciples for 40 days.

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I guess that's the thinking all right. It seems as though a few, at least, of the well-known denominations would hold that view if it were that obvious and yet, to my knowledge, none of them do.