Greek Key Terms:
Context: 1 Peter 1:20 stands in the christological climax of Peter's opening thanksgiving: believers were "redeemed... with the precious blood of Christ, a lamb without blemish or spot" (v. 19), "who was foreknown before the foundation of the world but was manifested in the last times for your sake" (v. 20). The verse balances two temporal horizons on a single divine action: proegnōsmenou pro katabolēs kosmou ("foreknown before the foundation of the world")—pre-temporal election—and phanerōthentos ep' eschatou tōn chronōn ("manifested in the last times")—eschatological incarnation. The LXX rendering of אַחֲרִית הַיָּמִים is ep' eschatou tōn hēmerōn; Peter substitutes chronōn ("times, ages") for hēmerōn ("days"), producing a slight variation that emphasizes the grand sweep of redemptive history. The aorist participle phanerōthentos is decisive: Christ "was manifested"—made visible, disclosed, unveiled—at a definite historical moment in the last times. Peter thus locates the incarnation itself at the eschatological terminus. The Son who was hidden in the eternal counsel before creation has now been revealed in the flesh at the end of the ages. This is the inaugurated-eschatology framework in its sharpest form: the incarnation is not a preliminary event before the last days but constitutes the beginning of the last days. Christ's appearing is the eschatological event.
Connections:
Christological Connection: 1 Peter 1:20 fuses the deepest pre-temporal decree and the sharpest eschatological manifestation in a single sentence—and the fusion is the doctrine of the last days. The verse is built on a perfectly balanced antithesis: pro katabolēs kosmou / ep' eschatou tōn chronōn, "before the foundation of the world" / "at the end of the times." The two prepositional phrases frame the whole of history, and the one subject (Christ) moves across that span: foreknown by the Father before creation, manifested by the Father at the eschatological terminus. The perfect-tense participle matters. Proegnōsmenou (perfect passive) indicates a pre-temporal reality with abiding effect—Christ has been foreknown, and that foreknowledge stands. The aorist phanerōthentos indicates a definite historical manifestation—Christ has been revealed, once, at a concrete moment. Together, the participles tell the story of redemptive history: eternal counsel → historical disclosure. "In the last times" (ep' eschatou tōn chronōn). Peter's phrase is virtually synonymous with Hebrews 1:2 (ep' eschatou tōn hēmerōn toutōn) and with the LXX rendering of אַחֲרִית הַיָּמִים. The substitution of chronōn ("times, ages") for hēmerōn ("days") is significant: chronōn emphasizes the panoramic sweep of the ages, not the immediacy of days. Christ's manifestation has inaugurated the final age—not merely a brief eschatological moment but the terminal aiōn of redemptive history. This parallels 1 Corinthians 10:11's "ends of the ages" and Hebrews 9:26's "end of the ages": the NT writers speak with one voice that Christ's first coming terminates the prior ages and inaugurates the final one. The incarnation IS the eschatological event. This is the verse's most profound contribution to the trajectory. Peter does not describe the incarnation as a preliminary to the last days (as if Christ came, then we wait for the last days to arrive); he describes the incarnation as the very act by which the last days are inaugurated. The manifestation of the foreknown Christ is the arrival of the eschatological age. This overturns any dispensational scheme that postpones the "last days" to a future tribulation period. The last days began when the Lamb "was manifested." They continue until He "appears a second time, not to deal with sin but to save those who are eagerly waiting for him" (Hebrews 9:28). Pre-temporal election + eschatological manifestation = a unified decree. Peter here coordinates two themes that dominate NT soteriology: (1) believers were chosen in Christ before the foundation of the world (Ephesians 1:4); (2) that choice is now being realized in history through the manifested Christ. The eternal decree issues in the eschatological manifestation. What the Father foreknew before creation, the Son executed at the end of the ages, and the Spirit now applies to the elect living in these last days. "For your sake" (di' hymas). Peter personalizes the eschatology. Christ's manifestation "at the end of the times" is for the sake of the Petrine audience—scattered, suffering, Gentile-converted believers in Asia Minor. The eschatological age is not a distant cosmic phenomenon; it is a saving event pointed at the specific believers who read Peter's letter. This is why Peter immediately applies the verse (v. 21): "through him you are believers in God... so that your faith and hope are in God." The believer's faith in the last days is grounded in the manifested Christ. The Lamb vocabulary. Verse 19 calls Christ "a lamb without blemish or spot" (amnou amōmou kai aspilou), echoing the Passover lamb (Exodus 12:5) and the Servant of Isaiah 53. Verse 20 identifies this Lamb as the one "foreknown before the foundation of the world"—i.e., the redemptive plan was not a reactive response to the Fall but an eternal purpose. Revelation 13:8 makes the same point: "the Lamb slain from the foundation of the world." The pre-temporal foreknowledge and the historical manifestation are a unified decree executed at the appointed telos. The trajectory. Pre-temporal counsel (Christ foreknown) → OT anticipation (Passover, Isaiah 53, Psalm 2) → eschatological manifestation in the incarnation (John 1:14; 1 Peter 1:20) → last days inaugurated (Acts 2:17; Hebrews 1:2) → believers applied by the Spirit → consummation at Christ's return (Hebrews 9:28). 1 Peter 1:20 does not merely locate the incarnation in time; it defines the incarnation as the eschatological pivot of history. The "last days" are not a period Christ precedes; they are the age His manifestation inaugurates.
Connection Method(s): Longitudinal Theme, Redemptive-Historical Progression, Promise-Fulfillment — The incarnation itself is placed at ep' eschatou tōn chronōn ("in the last times"), coordinating pre-temporal election with eschatological manifestation and making Christ's appearing the inaugurating event of the last days, not a preliminary to them.
Trajectory Table: 093 - Last Days Eschatology