Biblical Cumulative Lifespans Chronologies

Cumulative Chronology — MT, LXX, and SP

This page presents the Cumulative chronology of the Masoretic Text (MT), Septuagint (LXX), and Samaritan Pentateuch (SP), called the “Long” chronology in earlier versions of this site. The method adds patriarchal lifespans end-to-end, from Adam toward Moses, rather than counting begetting ages as the Regular Chronology does. Comparing the two methods reveals the interdependent numerical patterns studied in the Unified Chronology repository.

These are constructed lifespan-chain coordinates, not claims that the patriarchs literally lived successively without overlap at these BC dates. The arithmetic is read here as a chronological and theological structure; that interpretation remains distinct from the manuscript ages and the calculated totals.

Lamech ruling, September 8, 2026: the LXX now uses 753 years in both the Regular and Cumulative main reconstructions, with 182 as the regular begetting input. The existing cumulative chain remains unchanged. The former LXX 777 overlay has moved from the main table to Appendix A, where its same-endpoint, non-propagating status is explicit.

On this page: How to read the columns · MT table · Second Cainan · Apparent Adam · LXX table · Why 753 matters · SP table · 777 overlay appendix · Sources and related pages

General Note: the Three-Year and Seven-Year Spans

Wide tables scroll horizontally on smaller screens.

The primary Exodus anchor is 1446 BC, with Moses’ birth 1526 BC and death/Conquest 1406 BC. The cumulative chain is calculated backward through the retained lifespans. Each row’s date is a starting coordinate or starting envelope, not the beginning-to-end span of that patriarch’s lifespan.

For example, MT Adam’s Nisan member is 14006 BC. Subtracting his 930 years gives Seth’s 13076 BC. The same subtraction can be performed at corresponding boundaries of the seven-year envelopes: 14011 − 930 = 13081 and 14004 − 930 = 13074.

Column / notation How to read it
Asterisked three-year track The displayed whole-year Aaron/Moses pair. The three-year difference is carried backward through the chain.
Seven-year start envelope The forwarded comparison width 2 + 3 + 2 = 7, combining the Aaron/Moses branch with the Shem ±2 allowance. Compare corresponding endpoints.
Lifespan The duration added to the chain, not the width of the date envelope.
Slash-pair at the terminal Distinct Aaron/Moses labels, not all possible birth/death combinations.
n / t, where specified Nisan / Tishri phase. The exact phase-resolved 3.5-year branch is distinct from the three-year whole-year display.

The ordinary terminal birth labels are Aaron 1529 / Moses 1526 BC. The repository also retains a 3.5-year phase-resolved branch, rather than silently rounding it into the ordinary three-year branch. The textual lifespans are 123 for Aaron and 120 for Moses. Earlier displays of 1530/1526 and 123.5/120 mixed the phase presentation into these columns; the tables below use the whole-year branch consistently. The forwarded 1531–1524 envelope remains a schematic seven-year comparison, not a claim that Aaron or Moses lived seven years.

The Shem allowance is grounded in the relationships among Noah’s sons, the Flood, and Arphaxad’s birth (Genesis 5:32; 9:24; 10:21; 11:10). The 2 + 3 + 2 construction echoes the seven-day Creation pattern in the study’s interpretation. The separately expanded 7.5-year phase envelope must not be substituted for it without declaring that operation. See File 09: Cumulative Architecture and File 18: Chronological Data Tables.

The Ezekiel comparison

The same 5 | 7 | 10 | 12 date-string divides a seven-day field as 2 + 3 + 2. Ezekiel’s opening vision and seven days overwhelmed provide the 5/12 comparison (Ezekiel 1:1; 3:15); the destruction accounts provide the 7/10 date comparison (2 Kings 25:8; Jeremiah 52:12), alongside the ninth-day tradition. These dates belong to different narrative settings; their shared partition is the structural comparison, not a claim that all four occur in one historical week.

In the repository’s day-year mapping, Ezekiel’s call stands 1260 + 1290 days from the destruction, while 1876–586 BC = 1290 years links Entry and destruction. His opening “thirtieth year” is compared with priestly service at thirty and Adam’s apparent thirty. The seven-year and seven-and-a-half-year readings toward the fall and news of it (Ezekiel 33:21) correspond to 2700 = 7.5 × 360 and 2730 = 7.5 × 364. These are the study’s prophetic/calendar comparisons; File 17 supplies the detailed date-string treatment.

Table state: all three traditions share the Exodus/Mosaic anchor. Lifespans are retained by tradition, including Terah 205 in MT/LXX and 145 in SP. Second Cainan is present in the native LXX table, absent from the base MT/SP tables. The regular +60 Terah and −215 sojourn operations are not automatically applied to these cumulative tables.


MT Cumulative Chronology Table

Patriarch / boundary Three-year Aaron/Moses track (BC) Seven-year start envelope (BC) Lifespan (years)
Adam *14009–14006 14011–14004 930
Seth *13079–13076 13081–13074 912
Enosh *12167–12164 12169–12162 905
Kenan *11262–11259 11264–11257 910
Mahalalel *10352–10349 10354–10347 895
Jared *9457–9454 9459–9452 962
Enoch *8495–8492 8497–8490 365
Methuselah *8130–8127 8132–8125 969
Lamech — Methuselah-death / Flood marker *7161–7158 7163–7156 777
Noah *6384–6381 6386–6379 950
Shem *5434–5431 5436–5429 600
Flood / Arphaxad boundary — Shem ±2 *4834–4831 4836–4829
Arphaxad *4834–4831 4836–4829 438
Shelah *4396–4393 4398–4391 433
Eber *3963–3960 3965–3958 464
Peleg *3499–3496 3501–3494 239
Reu *3260–3257 3262–3255 239
Serug *3021–3018 3023–3016 230
Nahor *2791–2788 2793–2786 148
Terah *2643–2640 2645–2638 205
Abraham *2438–2435 2440–2433 175
Isaac *2263–2260 2265–2258 180
Jacob *2083–2080 2085–2078 147
Levi *1936–1933 1938–1931 137
Kohath *1799–1796 1801–1794 133
Amram *1666–1663 1668–1661 137
Aaron / Moses birth *1529 / 1526 1531–1524 123 / 120
Aaron / Moses death *1407 / 1406 Exodus: 1446 BC
Joshua — new continuation 1296 110

Adam’s apparent-age envelope is 14041–14034 BC, 30 years earlier than 14011–14004. In particular, 14036 BC stands 30 before Year 6 at 14006 BC. It is an apparent-age comparison, not another 30 years inserted into Adam’s textual 930.

Notes on the MT cumulative table

1. Width and phase. The three-year column and the seven-year 2 + 3 + 2 column are whole-year displays. Exact half-year-resolved Aaron/Moses constructions are kept separate. A date appearing in another mode does not become the same event merely because the label agrees.

2. Two Flood markers. In the selected regular MT chronology, Methuselah dies in the Flood year and Arphaxad is born two years after the Flood. Stacking lifespans places Methuselah’s death at the start of the Lamech block, 7163–7156 BC, while the Arphaxad/Shem boundary supplies 4836–4829 BC. Both function as Flood-related markers within the cumulative construction, but they are different nodes. The boundary row is a marker, not an additional lifespan to add twice.

3. The 120-year warning comparison. The MT and SP Arphaxad/Flood envelopes stand exactly 120 apart: 4836–4829 versus 4716–4709 BC. Overlaying the corresponding 600-year Shem blocks supplies the related 360 / 720 comparisons. The optional 120-year warning is shown in the repository’s fuller tables but is not added as an extra patriarchal lifespan here.

The MT warning head 4956 BC to Moses’ birth 1526 BC is 3430 = 70 × 49 = 70 × 7 × 7. The matched warning/Flood and Moses-birth/Exodus intervals are both 120. The LXX comparison supplies a 4900-year Shem-to-Exodus span. These are selected highlights of the larger pattern.

4. The Exodus and Joshua. The Exodus marks Israel’s corporate birth in 1446 BC. Joshua’s 110-year continuation, although not a direct Levi-line generation, extends from Moses’ death 1406 to the cumulative endpoint 1296 BC, with the separately retained week unit 1301–1294. This is not Joshua’s regular historical death date. The 1296 → 6 BC span is 1290.

From apparent Adam 14036 BC to the Joshua node is 12740 = 35 × 364. From Year-6 Adam 14006 BC to Conquest 1406 BC is 12600 = 35 × 360. These use distinct declared heads and ends; their difference 140 = 35 × 4 is compared with the four seasonal days of the 364-day register.

5. Cainan, the apparent head, and the 13200 field. Adding Cainan’s 460 to the apparent-head/Joshua span gives 12740 + 460 = 13200 = 110 × 120, the Joshua/Moses lifespan product. The restored apparent head 14496 BC then gives:

14496 → 5896 → 5296 → 1296 BC = 8600 + 600 + 4000.

The middle nodes are the restored Shem and Arphaxad/Flood boundaries. Regrouping gives 4600 + 4600 + 4000, compared with the smaller 430 + 30 + 430 Adam field and its 400 / 430 / 460 intervals.

The Christological spans retain exact civil reckoning: 14496 → 6 BC = 63 × 230, and 5296 → 6 BC = 23 × 230. The restored Year-6 head 14466 BC to AD 25 is 14490 = 23 × 630; its 25/23 expansion adds 1260, reaching AD 1285. From the cumulative Joshua 1296 BC to AD 1285 is 2580 = 1290 + 1290. The 14466/1446 decimal correspondence and the doubled 230/460 are structural comparisons, not identical events.

MT with Second Cainan: the +460 Rail

Reinsert the LXX’s second Cainan between Arphaxad and Shelah. In cumulative execution his 460-year lifespan, not the regular 130-year begetting interval, is added. Arphaxad and all earlier nodes move 460 years earlier; Shelah onward remains fixed.

Node Three-year track (BC) Seven-year start envelope (BC)
Adam *14469–14466 14471–14464
Flood / Arphaxad *5294–5291 5296–5289
Second Cainan *4856–4853 4858–4851
Shelah — unchanged *4396–4393 4398–4391

The Apparent Age of Adam: the Fractal Architecture

The spans below are arithmetic facts under the declared endpoints; the fractal and theological interpretation is the repository’s reading. Fuller treatments are File 22: Cumulative MT Harmonics and File 09: Cumulative Architecture.

The apparent thirty scales as 30 days → 30 years → 10080 years, where 10080 = 30 × 336 = 28 × 360. The table distinguishes a generated comparison coordinate from an independently retained chronological label when the two coincide.

Starting member Subtract 10080 years Further step Landing / interpretation
Year 6: 14006 BC 3926 BC 30 years forward 3896 BC, Year 6 of the condensed SOR comparison
Week’s end: 14004 BC 3924 BC 28 years forward 3896 BC; the closing 30/28 echoes the equal day-volume counts
Year 1: 14011 BC 3931 BC 30 years forward 3901 BC, Year 6 of the standard MT minimum week 3906–3899
Apparent head: 14036 BC 3956 BC Direct Condensed Year-6 comparison with +60 Terah
Apparent envelope head: 14041 BC 3961 BC Direct Standard minimum Year-6 comparison with +60 Terah

From 3926 another 2520 = 7 × 360 = 7.5 × 336 years reach Conquest 1406 BC. The complete span is 12600 = 35 × 360 = 37.5 × 336. The companion 14011 → 1411 BC also spans 12600, with 1411 a generated comparison endpoint five years before the historical Conquest anchor, not a replacement for 1406.

The smaller frame echoes the larger one: 3931 → 3896 = 35, and 14041 → 14006 = 35. Thirty-five 360-day years contain 12600 days, matching the count of years at the larger scale. Similarly, 30 × 360 = 10800, while 30 × 336 = 10080. The units are stated at each scale; days and years are not silently interchangeable.

From the apparent envelope head to Conquest, 14041 → 1406 BC = 12635 = 12600 + 35. The study compares this at tenfold scale with Revelation 11’s 1260, 3½, and rising motif: Israel’s entry into the land is read as entry into a new Eden.

The Regular–Cumulative Fulcrum

Without +60 Terah, MT Regular Creation is 4121–4114 BC, with Year 6 4116. The corresponding cumulative-to-regular comparison is:

14006 − 4116 = 9890 = 23 × 430.

With +60 Terah, the regular week becomes 4181–4174 BC, Year 6 4176, and apparent birth 4206. Then:

14006 − 4206 = 9800 = 200 × 49;

4206 − 1406 = 2800 = 70 × 40;

9800 + 2800 = 12600.

The regular apparent-age comparison therefore divides the larger span into two controlled calendrical/generational quantities. It is not an arithmetic midpoint.


LXX Cumulative Chronology Table

The native LXX chain includes second Cainan, 460 years, between Arphaxad and Shelah. Lamech’s 753 is the attested/transmitted LXX lifespan in Genesis 5:31, retained in both Regular and Cumulative execution. This study judges it to preserve the preferred original LXX lifespan on textual and structural grounds. That judgment is distinct from the fact of attestation; 753 is neither an invented reconciliation value nor a number reconstructed from the Flood constraint.

The component-wise reconstruction pairs this retained lifespan with restored begetting age 182. The remainder 571 = 753 − 182 is calculated, not an identified manuscript reading. No surviving joint 182 / 753 witness has been identified in the reviewed sources; this qualification concerns the combination, not the attestation of 753. The regular Lamech discussion explains the reconstruction and the hypothetical, non-operative 188 comparison. Applying MT 777 to the LXX remains an appendix-only overlay and does not propagate into this main chain.

No LXX 777 overlay is included in this main chain. It remains available in Appendix A without changing any of the following Adam–Amram coordinates.

Patriarch / boundary Three-year Aaron/Moses track (BC) Seven-year start envelope (BC) Lifespan (years)
Adam *14899–14896 14901–14894 930
Seth *13969–13966 13971–13964 912
Enosh *13057–13054 13059–13052 905
Kenan *12152–12149 12154–12147 910
Mahalalel *11242–11239 11244–11237 895
Jared *10347–10344 10349–10342 962
Enoch *9385–9382 9387–9380 365
Methuselah *9020–9017 9022–9015 969
Lamech — Methuselah-death / Flood marker *8051–8048 8053–8046 753
Noah *7298–7295 7300–7293 950
Shem *6348–6345 6350–6343 600
Flood / Arphaxad boundary — Shem ±2 *5748–5745 5750–5743
Arphaxad *5748–5745 5750–5743 465
Second Cainan *5283–5280 5285–5278 460
Shelah *4823–4820 4825–4818 460
Eber *4363–4360 4365–4358 504
Peleg *3859–3856 3861–3854 339
Reu *3520–3517 3522–3515 339
Serug *3181–3178 3183–3176 330
Nahor *2851–2848 2853–2846 208
Terah *2643–2640 2645–2638 205
Abraham *2438–2435 2440–2433 175
Isaac *2263–2260 2265–2258 180
Jacob *2083–2080 2085–2078 147
Levi *1936–1933 1938–1931 137
Kohath *1799–1796 1801–1794 133
Amram *1666–1663 1668–1661 137
Aaron / Moses birth *1529 / 1526 1531–1524 123 / 120
Aaron / Moses death *1407 / 1406 Exodus: 1446 BC
Joshua — new continuation 1296 110

Why the Main LXX Chain Retains 753

The first reason is textual: 753 is attested in the LXX (Genesis 5:31). This study retains it as the preferred original LXX lifespan, with the structural support discussed below. It is not a lifespan invented to reconcile the tables. The source qualification concerns its pairing with restored begetting age 182 and calculated remainder 571, not the attestation of 753 itself.

The strongest structural reason is the 69 | 529 = 598 Lamech–Shem comparison discussed on the regular page. Here its cumulative consequence becomes explicit.

With Cainan handled symmetrically—either restored to MT or removed from LXX—the differences accumulated below Lamech are 454. The selected lifespan difference 777 − 753 = 24, comparing MT and LXX, reduces that to:

454 − 24 = 430.

The resulting 430 offset continues from the Lamech starting row back through Adam, because the lifespans above Lamech agree. For example, native LXX Adam 14896 versus restored-Cainan MT Adam 14466 BC gives 430. The same comparison can be made Cainan-OFF: 14436 − 14006 = 430.

Adam head / state Nisan member (BC)
LXX, native Cainan 14896
MT, restored Cainan 14466
LXX, Cainan omitted 14436
MT, Cainan omitted 14006

The ordered differences are 430 | 30 | 430. These are four declared chronological states, not four independent manuscript attestations of BC dates.

The unchanged native LXX Creation envelope also retains:

14901 − 1446 = 13455 = 299 × 45,

which expands to 13500 = 300 × 45 under the Enochian Key. Adding another 24 to every earlier cumulative node would change that chain; the appendix overlay therefore does not propagate.

The simple LXX–SP comparison 753 − 653 = 100 places Lamech within the inter-manuscript century-difference pattern. It supports the shared grammar without establishing a historical direction of borrowing.

The MT 777 Counterpart: Not an LXX Lifespan Substitution

One older comparison remains valid without giving LXX Lamech 777. From the LXX apparent Adam head 14926 BC to the MT Lamech envelope edge 7156 BC:

14926 − 7156 = 7770 = 10 × 777.

Without the apparent 30, 14896 − 7156 = 7740 = 18 × 430 = 6 × 1290. Continuing through MT Lamech’s own 777-year block to MT Noah’s edge 6379 BC gives 14926 − 6379 = 8547 = 11 × 777. This cross-tradition comparison uses the unchanged 753 LXX main chain and the unchanged 777 MT lifespan. It does not depend on the alternative LXX overlay.

The principal LXX Flood marker at Lamech’s row is still Methuselah’s death, because the selected regular 187 + 182 + 600 = 969 places that death at the Flood. The table’s start envelope is not the date of Lamech’s own regular death. Arphaxad supplies the other Flood-related boundary as in the MT table. For the selected Arphaxad and Shelah lifespans, see the LXX regular table.


SP Cumulative Chronology Table

The SP cumulative Creation participates in the repository’s Creation Decade. The common framework distinguishes Days/Years 1–10: MT/LXX mark the seven-year segment Days 1–7, while SP marks Days 4–10, the luminary/Enochian Day-4 epoch. The SP’s retained envelope is 13403–13396 BC.

Its implied Day-1 head is 13406 BC, giving 11960 = 299 × 40 to the Exodus and 12000 after the 300/299 expansion. The three-year Day-1/Day-4 difference corresponds to the displayed Aaron/Moses gap; the Aaron member 13401 BC carries the Adam/sixth-day label in that comparison. Day 10’s 13396 retains the Joshua relation below. File 56: Creation Decade Protocol controls this distinction; the implied Day-1 head does not replace the displayed SP envelope.

Terah retains 145, rather than the MT/LXX 205, as in the regular SP discussion.

Patriarch / boundary Three-year Aaron/Moses track (BC) Seven-year start envelope (BC) Lifespan (years)
Adam *13401–13398 13403–13396 930
Seth *12471–12468 12473–12466 912
Enosh *11559–11556 11561–11554 905
Kenan *10654–10651 10656–10649 910
Mahalalel *9744–9741 9746–9739 895
Jared *8849–8846 8851–8844 847
Enoch *8002–7999 8004–7997 365
Methuselah *7637–7634 7639–7632 720
Lamech *6917–6914 6919–6912 653
Noah *6264–6261 6266–6259 950
Shem *5314–5311 5316–5309 600
Flood / Arphaxad boundary — Shem ±2 *4714–4711 4716–4709
Arphaxad *4714–4711 4716–4709 438
Shelah *4276–4273 4278–4271 433
Eber *3843–3840 3845–3838 404
Peleg *3439–3436 3441–3434 239
Reu *3200–3197 3202–3195 239
Serug *2961–2958 2963–2956 230
Nahor *2731–2728 2733–2726 148
Terah *2583–2580 2585–2578 145
Abraham *2438–2435 2440–2433 175
Isaac *2263–2260 2265–2258 180
Jacob *2083–2080 2085–2078 147
Levi *1936–1933 1938–1931 137
Kohath *1799–1796 1801–1794 133
Amram *1666–1663 1668–1661 137
Aaron / Moses birth *1529 / 1526 1531–1524 123 / 120
Aaron / Moses death *1407 / 1406 Exodus: 1446 BC
Joshua — new continuation 1296 110

Notes on the SP cumulative table

1. The common anchor. The width and Aaron/Moses conventions are the same as in the MT table. Exodus 1446 BC marks Israel’s corporate emergence.

2. The Joshua square. The SP Creation-envelope terminus 13396 BC to the cumulative Joshua endpoint 1296 BC is 12100 = 110 × 110. Joshua’s 110 and Joseph’s 110 provide the biblical ideal-life comparison; the wider Egyptian comparison is discussed in the repository. Regular Isaac’s birth 2066 BC gives 660 = 6 × 110 to Conquest 1406, and 770 = 7 × 110 to cumulative Joshua 1296—seven average 110-year units, not seven claimed literal consecutive lifespans. The MT companion at the same Joshua endpoint is 13200 = 110 × 120, explained above.

3. Day 1, Cainan, and apparent age. The implied 13406 BC head reaches Exodus by 11960 = 299 × 40, expanding to 12000. With second Cainan and the apparent 30:

13406 + 460 + 30 = 13896 BC;

13896 − 1296 = 12600 = 35 × 360.

The SP thereby joins the 12600 family at the cumulative Joshua terminus. See File 56.

4. Flood markers. In the regular SP, Jared, Methuselah, and Lamech all die in the Flood year. This table does not select just one of those deaths as its unique Flood marker. The Arphaxad-bound node remains the shared marker across the three cumulative tables.


Appendix A — The LXX 777 Overlay: Shared Endpoint, No Propagation

The following retains the secondary comparisons previously displayed inside the main LXX table. The main lifespan remains 753 in both Regular and Cumulative chronology. Nothing in this appendix changes an earlier cumulative date or licenses 188 as a main begetting input.

A.1 The overlay beside the unchanged chain

Cumulative LXX row / state Three-year track (BC) Seven-year start envelope (BC) Duration
Methuselah, main chain *9020–9017 9022–9015 969
Lamech, main chain *8051–8048 8053–8046 753
Lamech, appendix overlay *8075–8072 8077–8070 777
Noah, shared following node *7298–7295 7300–7293 950

Both Lamech spans reach the same Noah endpoint, boundary for boundary:

8053 − 753 = 8077 − 777 = 7300;

8048 − 753 = 8072 − 777 = 7295;

8046 − 753 = 8070 − 777 = 7293.

The overlay starts 24 years earlier, overlapping Methuselah’s final 24 cumulative years. It does not insert 24 additional years into the inherited chain. Thus the native LXX Creation head 14901 BC, its 13455 = 299 × 45 Exodus relation, and the 430 matched-Cainan difference are preserved.

This 777 is an alternative reconstructed/MT-parallel comparison, not another lifespan silently added to the table. The regular appendix distinguishes the MT/Smith 182 + 595 = 777, transmitted LXX 188 + 565 = 753, and adopted 182 + 571 = 753 records.

A.2 The 8070 Endpoint and the Twenty-of-Years Pair

From the overlay’s seven-year close 8070 BC to Exodus 1446 BC:

8070 − 1446 = 6624 = 4 × 1656.

The two Key expansions give:

6624 × 25/23 = 7200 = 20 × 360;

6624 × 70/69 = 6720 = 20 × 336.

These are the preserved twenty-of-years comparison counts. With Exodus fixed, the generated earlier endpoints are 8646 BC for the 7200 span and 8166 BC for the 6720 span. The original unexpanded span is measured from 8070, not from the main Lamech close 8046.

A.3 The Staged-Flood and Tenfold Abram Comparisons

The generated endpoints can be arranged against the main Lamech/Flood-marker close 8046 BC:

8646 → 8166 → 8046 BC = 480 + 120.

This stages the Noah/Flood comparison at 480, the 120-year warning, and 600. It is a declared composite of generated and retained nodes, not one continuous expansion of every original date.

The Priestly-expanded span from 8646 to Exodus is 7200. The native Arphaxad/Flood Nisan member 5745 BC is 4299 elapsed years before 1446; the legacy 4300 companion is therefore a schematic/boundary comparison, not that elapsed subtraction. An exact 4300-year display would require 5746 BC, a separately selected boundary within the retained 5750–5743 envelope. With that extra boundary choice explicitly made, 7200 / 4300 reproduces at tenfold scale the regular 720 / 430 Abram-birth/sojourn comparison. This conditional display does not move the main Nisan node or silently treat 5745 − 1446 as 4300.

Further deep-time conversions, the cross-track 2300/Jared comparison, and Mirror applications are routed through File 44: Chronological Scaling Laws, File 46: Harmonic Expansion Protocols, and File 51b: Cross-Polarity Mirror. Their 8070/8646-derived instances share this appendix-only overlay provenance; they are not primary LXX chain dates.


Sources and Related Pages

Source control: File 18: Chronological Data Tables, §§6A–6D, with the September 8, 2026 Lamech source hierarchy in §4A.1 and Appendix B; File 09, File 22, and File 56. The Lamech hierarchy is registered in the Current State Vocabulary Register, §D.43, and the Current Restart Capsule, §10.30. The exact 3.5-year phase branch remains distinct from the whole-year track printed here.

For the LXX textual selection and H. B. Smith Jr.’s 2018 study, see the regular page’s source note. The Key-of-23 transmission explanation is a hypothesis; it does not supply a missing joint manuscript attestation.

Related reading: Alternating-patriarch cumulative chronology; Regular Chronology; Anchors of Time: the MT cumulative structure; Regular–Cumulative MT comparison and the Key of 23; Sumerian King List comparison; Key of 23—Bible Numerics; Knowledge Catalog.

Revision note: the 753 LXX main chain and all Adam–Amram starting coordinates are preserved. The 777 overlay and its generated 8070/8646 comparisons are appendix-only. Terminal Aaron/Moses labels now consistently distinguish the whole-year branch from the half-year-resolved branch; the 4300 overlay comparison explicitly distinguishes a full-year boundary from 4299 elapsed years.