This article argues that the «last hour» in 1 John 2,18 is best understood against the Old Testament background of Daniel 8,12. In particular, the only eschatological uses of «hour» (w#ra) in all of the Greek Old Testament occur in the «Old Greek» of Dan 8,17.19; 11,35.40; 12,1. There the «hour» (w#ra) refers to the specific eschatological time when the opponent of God’s people will attempt to deceive them. John sees Daniel’s prophecy as beginning to be fulfilled in the deceptive work of the Antichrist(s) who has come among the churches to which he is writing.