Parallel
Acts 2:20
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
ὁ ἥλιος μεταστραφήσεται εἰς σκότος, καὶ ἡ σελήνη εἰς αἷμα, πρὶν ἢ ἐλθεῖν τὴν ἡμέραν κυρίου τὴν μεγάλην καὶ ἐπιφανῆ·
The sun will be turned to darkness, and the moon to blood, before the coming of the great and glorious Day of the Lord.