1 Timothy 2:6 ὁ δοὺς ἑαυτὸν ἀντίλυτρον ὑπὲρ πάντων, τὸ μαρτύριον καιροῖς ἰδίοις.
who gave himself as a ransom for all; the testimony in its own times;
Noun: Dative Plural Masculine

1 Timothy 4:1 Τὸ δὲ πνεῦμα ῥητῶς λέγει ὅτι ἐν ὑστέροις καιροῖς ἀποστήσονταί τινες τῆς πίστεως προσέχοντες πνεύμασιν πλάνοις καὶ διδασκαλίαις δαιμονίων,
But the Spirit says expressly that in later times some will fall away from the faith, paying attention to seducing spirits and doctrines of demons,
Noun: Dative Plural Masculine

1 Timothy 6:15 ἣν καιροῖς ἰδίοις δείξει ὁ μακάριος καὶ μόνος δυνάστης, ὁ βασιλεὺς τῶν βασιλευόντων καὶ κύριος τῶν κυριευόντων,
which in its own times he will show, who is the blessed and only Ruler, the King of kings, and Lord of lords;
Noun: Dative Plural Masculine

Titus 1:3 ἐφανέρωσεν δὲ καιροῖς ἰδίοις τὸν λόγον αὐτοῦ ἐν κηρύγματι, ὃ ἐπιστεύθην ἐγὼ κατ' ἐπιταγὴν τοῦ σωτῆρος ἡμῶν θεοῦ,
but in his own time revealed his word in the message with which I was entrusted according to the commandment of God our Savior;
Noun: Dative Plural Masculine