2 Peter 3:8 ἓν δὲ τοῦτο μὴ λανθανέτω ὑμᾶς ἀγαπητοί, ὅτι μία ἡμέρα παρὰ κυρίῳ ὡς χίλια ἔτη καὶ χίλια ἔτη ὡς ἡμέρα μία.
But don't forget this one thing, beloved, that one day is with the Lord as a thousand years, and a thousand years as one day.
Adjective: Nominative Plural Neuter

Revelation 20:2 καὶ ἐκράτησεν τὸν δράκοντα, ὁ ὄφις ὁ ἀρχαῖος, ὅς ἐστιν Διάβολος καὶ ὁ Σατανᾶς, καὶ ἔδησεν αὐτὸν χίλια ἔτη
He seized the dragon, the old serpent, which is the devil and Satan, who deceives the whole inhabited earth, and bound him for a thousand years,
Adjective: Accusative Plural Neuter

Revelation 20:3 καὶ ἔβαλεν αὐτὸν εἰς τὴν ἄβυσσον καὶ ἔκλεισεν καὶ ἐσφράγισεν ἐπάνω αὐτοῦ, ἵνα μὴ πλανήσῃ ἔτι τὰ ἔθνη ἄχρι τελεσθῇ τὰ χίλια ἔτη. μετὰ ταῦτα δεῖ λυθῆναι αὐτὸν μικρὸν χρόνον.
and cast him into the abyss, and shut it, and sealed it over him, that he should deceive the nations no more, until the thousand years were finished. After this, he must be freed for a short time.
Adjective: Nominative Plural Neuter

Revelation 20:4 Καὶ εἶδον θρόνους καὶ ἐκάθισαν ἐπ' αὐτούς καὶ κρίμα ἐδόθη αὐτοῖς καὶ τὰς ψυχὰς τῶν πεπελεκισμένων διὰ τὴν μαρτυρίαν Ἰησοῦ καὶ διὰ τὸν λόγον τοῦ θεοῦ καὶ οἵτινες οὐ προσεκύνησαν τὸ θηρίον οὐδὲ τὴν εἰκόνα αὐτοῦ καὶ οὐκ ἔλαβον τὸ χάραγμα ἐπὶ τὸ μέτωπον καὶ ἐπὶ τὴν χεῖρα αὐτῶν καὶ ἔζησαν καὶ ἐβασίλευσαν μετὰ τοῦ Χριστοῦ χίλια ἔτη.
I saw thrones, and they sat on them, and judgment was given to them. I saw the souls of those who had been beheaded for the testimony of Jesus, and for the word of God, and such as didn't worship the beast nor his image, and didn't receive the mark on their forehead and on their hand. They lived, and reigned with Christ for a thousand years.
Adjective: Accusative Plural Neuter

Revelation 20:5 οἱ λοιποὶ τῶν νεκρῶν οὐκ ἔζησαν ἄχρι τελεσθῇ τὰ χίλια ἔτη. αὕτη ἡ ἀνάστασις ἡ πρώτη.
The rest of the dead didn't live until the thousand years were finished. This is the first resurrection.
Adjective: Nominative Plural Neuter

Revelation 20:6 μακάριος καὶ ἅγιος ὁ ἔχων μέρος ἐν τῇ ἀναστάσει τῇ πρώτῃ· ἐπὶ τούτων ὁ δεύτερος θάνατος οὐκ ἔχει ἐξουσίαν, ἀλλ' ἔσονται ἱερεῖς τοῦ θεοῦ καὶ τοῦ Χριστοῦ καὶ βασιλεύσουσιν μετ' αὐτοῦ τὰ χίλια ἔτη.
Blessed and holy is he who has part in the first resurrection. Over these, the second death has no power, but they will be priests of God and of Christ, and will reign with him one thousand years.
Adjective: Accusative Plural Neuter

Revelation 20:7 Καὶ ὅταν τελεσθῇ τὰ χίλια ἔτη, λυθήσεται ὁ Σατανᾶς ἐκ τῆς φυλακῆς αὐτοῦ
And after the thousand years, Satan will be released from his prison,
Adjective: Nominative Plural Neuter