Matthew 24:36

36ConcerningΠερὶhoweverδὲtheτῆςdayἡμέραςthatἐκείνηςandκαὶhourὥραςno oneοὐδεὶςknowsοἶδεν,not evenοὐδὲtheοἱangelsἄγγελοιof theτῶνheavensοὐρανῶνnorοὐδὲtheὁSonυἱός,ifεἰnotμὴtheὁFatherπατὴρonlyμόνος.

But concerning that day and hour no one knows, not even the angels of the heavens, nor the Son, except the Father only.