Five narratives run the same seven motifs in nearly the same order: an offering of firstfruits, a feast in the third month, terms of covenant given, God coming down, speech made miraculous or ruined, wine and laughter, and a scattering among the nations. Jubilees supplies the calendar that binds them; Genesis, Exodus and Acts supply the scenes.
Structure after the source chart (Sinai · Noah · Babel · Abram · Pentecost), re-ordered here by narrative sequence. Biblical citations added throughout; Jubilees references retained.
Click any cell for the full citation list. Click a motif name to light its through-line; click a narrative name to read that column alone. The grid scrolls sideways.
What makes this more than motif-spotting is that Jubilees dates the covenant scenes to the third month. Noah lands and sacrifices there and the feast of weeks is ordained as a yearly covenant renewal (Jub 6:1–4, 6:17–19); the word comes to Abram on the first of the third month (Jub 14:1) and he keeps the feast of firstfruits in mid-month (Jub 15:1–2); Israel reaches Sinai “in the third month” (Exod 19:1) and Moses ascends on its sixteenth day (Jub 1:1).
Acts inherits the date rather than inventing it: the fiftieth day counted from the wave sheaf (Lev 23:15–16) is where Luke starts his second volume.
Babel is the one column with no offering accepted, no feast, no covenant and no law — only a plan (Gen 11:3–4). Every element the others share appears there inverted: God comes down to judge rather than to bind, a wind throws the tower down (Jub 10:26), speech is ruined instead of given, and the scattering is a sentence rather than a commission.
Read that way, Acts 2 is not simply a fifth instance but the answer to the second: the same wind, the same many languages, the same list of nations, the opposite verdict.
Three of the sharpest links are Jubilees alone and have no Genesis counterpart: the ordaining of Shavuot at the flood, the great wind at Babel, and the angel opening Abram’s mouth and lips to teach him the language of creation (Jub 12:25–27). The tongues-of-fire-and-seventy-languages reading of Sinai is later still, and rabbinic (b. Shabbat 88b; Exod. Rab. 5:9).
Cells marked + are parallels added here rather than taken from the chart. Worth keeping the layers visible if this is going to carry an argument.
The first row does a lot of work and repays pressure. Cain brings “of the fruit of the ground” and is refused (Gen 4:3–5); Noah’s altar is the first act of the renewed world (Gen 8:20); Christ is raised as “the firstfruits” on the day the sheaf was waved (Lev 23:10–11; 1 Cor 15:20).
Then the arithmetic: three thousand fall at Sinai after the calf (Exod 32:28), three thousand are added at Pentecost (Acts 2:41). Whether that is Luke’s design or the reader’s is arguable, but it belongs in the argument.