The earliest Christian creeds, specifically the formula in 1 Corinthians 15:3-7, were formulated within just months to a few years after the resurrection, likely by the early 30s AD. These oral traditions, which predate Paul’s letters, crystallized the core beliefs regarding Jesus’s death, burial, and resurrection appearances almost immediately, with many scholars agreeing they existed within 2-5 years, or even within one year, of the crucifixion.

1 Corinthians 15 Creed: This passage is widely considered the earliest, with some scholars dating its origin to within 1–5 years of the resurrection, potentially by 32–38 AD.

Rapid Formulation: These “creeds” were not slowly developed legends but early, stylized, and frequently recited oral traditions, likely formalized by the Jerusalem church almost immediately to teach the core gospel message.

“Pre-Pauline” Tradition: Paul states in 1 Corinthians 15:3 that he “received” this, meaning it existed as a formal creed before he wrote his letter (c. 53–57 AD), and even before his own conversion.

Consensus View: The consensus among researchers, including skeptics, places this creed within two or three years of the crucifixion.

[1 Cor 15:1 KJV] Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand;
[1 Cor 15:2 KJV] By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain.
[1 Cor 15:3 KJV] For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures;
[1 Cor 15:4 KJV] And that he was buried, and that he rose again the third day according to the scriptures:
[1 Cor 15:5 KJV] And that he was seen of Cephas, then of the twelve:
[1 Cor 15:6 KJV] After that, he was seen of above five hundred brethren at once; of whom the greater part remain unto this present, but some are fallen asleep.
[1 Cor 15:7 KJV] After that, he was seen of James; then of all the apostles.
[1 Cor 15:8 KJV] And last of all he was seen of me also, as of one born out of due time.
[1 Cor 15:9 KJV] For I am the least of the apostles, that am not meet to be called an apostle, because I persecuted the church of God.
[1 Cor 15:10 KJV] But by the grace of God I am what I am: and his grace which [was bestowed] upon me was not in vain; but I laboured more abundantly than they all: yet not I, but the grace of God which was with me.
[1 Cor 15:11 KJV] Therefore whether [it were] I or they, so we preach, and so ye believed.
[1 Cor 15:12 KJV] Now if Christ be preached that he rose from the dead, how say some among you that there is no resurrection of the dead?
[1 Cor 15:13 KJV] But if there be no resurrection of the dead, then is Christ not risen:
[1 Cor 15:14 KJV] And if Christ be not risen, then [is] our preaching vain, and your faith [is] also vain.
[1 Cor 15:15 KJV] Yea, and we are found false witnesses of God; because we have testified of God that he raised up Christ: whom he raised not up, if so be that the dead rise not.
[1 Cor 15:16 KJV] For if the dead rise not, then is not Christ raised:
[1 Cor 15:17 KJV] And if Christ be not raised, your faith [is] vain; ye are yet in your sins.
[1 Cor 15:18 KJV] Then they also which are fallen asleep in Christ are perished.
[1 Cor 15:19 KJV] If in this life only we have hope in Christ, we are of all men most miserable.
[1 Cor 15:20 KJV] But now is Christ risen from the dead, [and] become the firstfruits of them that slept.
[1 Cor 15:21 KJV] For since by man [came] death, by man [came] also the resurrection of the dead.
[1 Cor 15:22 KJV] For as in Adam all die, even so in Christ shall all be made alive.
[1 Cor 15:23 KJV] But every man in his own order: Christ the firstfruits; afterward they that are Christ’s at his coming.
[1 Cor 15:24 KJV] Then [cometh] the end, when he shall have delivered up the kingdom to God, even the Father; when he shall have put down all rule and all authority and power.
[1 Cor 15:25 KJV] For he must reign, till he hath put all enemies under his feet.
[1 Cor 15:26 KJV] The last enemy [that] shall be destroyed [is] death.
[1 Cor 15:27 KJV] For he hath put all things under his feet. But when he saith all things are put under [him, it is] manifest that he is excepted, which did put all things under him.
[1 Cor 15:28 KJV] And when all things shall be subdued unto him, then shall the Son also himself be subject unto him that put all things under him, that God may be all in all.
[1 Cor 15:29 KJV] Else what shall they do which are baptized for the dead, if the dead rise not at all? why are they then baptized for the dead?
[1 Cor 15:30 KJV] And why stand we in jeopardy every hour?
[1 Cor 15:31 KJV] I protest by your rejoicing which I have in Christ Jesus our Lord, I die daily.
[1 Cor 15:32 KJV] If after the manner of men I have fought with beasts at Ephesus, what advantageth it me, if the dead rise not? let us eat and drink; for to morrow we die.
[1 Cor 15:33 KJV] Be not deceived: evil communications corrupt good manners.
[1 Cor 15:34 KJV] Awake to righteousness, and sin not; for some have not the knowledge of God: I speak [this] to your shame.
[1 Cor 15:35 KJV] But some [man] will say, How are the dead raised up? and with what body do they come?
[1 Cor 15:36 KJV] [Thou] fool, that which thou sowest is not quickened, except it die:
[1 Cor 15:37 KJV] And that which thou sowest, thou sowest not that body that shall be, but bare grain, it may chance of wheat, or of some other [grain]:
[1 Cor 15:38 KJV] But God giveth it a body as it hath pleased him, and to every seed his own body.
[1 Cor 15:39 KJV] All flesh [is] not the same flesh: but [there is] one [kind of] flesh of men, another flesh of beasts, another of fishes, [and] another of birds.
[1 Cor 15:40 KJV] [There are] also celestial bodies, and bodies terrestrial: but the glory of the celestial [is] one, and the [glory] of the terrestrial [is] another.
[1 Cor 15:41 KJV] [There is] one glory of the sun, and another glory of the moon, and another glory of the stars: for [one] star differeth from [another] star in glory.
[1 Cor 15:42 KJV] So also [is] the resurrection of the dead. It is sown in corruption; it is raised in incorruption:
[1 Cor 15:43 KJV] It is sown in dishonour; it is raised in glory: it is sown in weakness; it is raised in power:
[1 Cor 15:44 KJV] It is sown a natural body; it is raised a spiritual body. There is a natural body, and there is a spiritual body.
[1 Cor 15:45 KJV] And so it is written, The first man Adam was made a living soul; the last Adam [was made] a quickening spirit.
[1 Cor 15:46 KJV] Howbeit that [was] not first which is spiritual, but that which is natural; and afterward that which is spiritual.
[1 Cor 15:47 KJV] The first man [is] of the earth, earthy: the second man [is] the Lord from heaven.
[1 Cor 15:48 KJV] As [is] the earthy, such [are] they also that are earthy: and as [is] the heavenly, such [are] they also that are heavenly.
[1 Cor 15:49 KJV] And as we have borne the image of the earthy, we shall also bear the image of the heavenly.
[1 Cor 15:50 KJV] Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.
[1 Cor 15:51 KJV] Behold, I shew you a mystery; We shall not all sleep, but we shall all be changed,
[1 Cor 15:52 KJV] In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
[1 Cor 15:53 KJV] For this corruptible must put on incorruption, and this mortal [must] put on immortality.
[1 Cor 15:54 KJV] So when this corruptible shall have put on incorruption, and this mortal shall have put on immortality, then shall be brought to pass the saying that is written, Death is swallowed up in victory.
[1 Cor 15:55 KJV] O death, where [is] thy sting? O grave, where [is] thy victory?
[1 Cor 15:56 KJV] The sting of death [is] sin; and the strength of sin [is] the law.
[1 Cor 15:57 KJV] But thanks [be] to God, which giveth us the victory through our Lord Jesus Christ.
[1 Cor 15:58 KJV] Therefore, my beloved brethren, be ye stedfast, unmoveable, always abounding in the work of the Lord, forasmuch as ye know that your labour is not in vain in the Lord.

New Testament scriptures began being written approximately 15 to 30 years after Jesus’ death (c. 30–33 AD), with Paul’s letters appearing first in the late 40s to early 50s AD. The Gospels were penned later, with Mark likely written around 65–70 AD, and the rest following within the first century, ensuring they were written during the lifetimes of eyewitnesses.

Key Details on Timing:
Earliest Writings (Epistles): Paul’s letters (e.g., Galatians, Thessalonians) are considered the earliest, with some dating as early as the late 40s AD.
The Creeds: Some scholars argue that traditions or creeds found within Paul’s letters (such as in 1 Corinthians 15) may date back to within just a few years of the crucifixion.
The Gospels: Mark is generally considered the first Gospel, written around 65–70 AD. Matthew and Luke were likely written in the 70s or 80s AD.
Final Books: John and Revelation are generally dated to the 90s AD.

This rapid, first-century production meant the texts were recorded while original apostles and witnesses were still alive.