(1) with reference to his first advent "in the fulness of the time" ( 1 John 5:20 ; 2 John 1:7 ), or (2) with reference to his coming again the second time at the last day ( Acts 1:11 ; Acts 3:20 Acts 3:21 ; 1 Thessalonians 4:15 ; 2 Tim 4:1 ; Hebrews 9:28 ).

The expression is used metaphorically of the introduction of the gospel into any place ( John 15:22 ; Ephesians 2:17 ), the visible establishment of his kingdom in the world ( Matthew 16:28 ), the conferring on his people of the peculiar tokens of his love ( John 14:18 John 14:23 John 14:28 ), and his executing judgment on the wicked ( 2 Thessalonians 2:8 ).

These dictionary topics are from
M.G. Easton M.A., D.D., Illustrated Bible Dictionary, Third Edition,
published by Thomas Nelson, 1897. Public Domain, copy freely.