Good to see you so easily able to get back on a more useful track.
Of course a dispensation has to do with time.
Luke 12:42 And the Lord said, Who then is that faithful and wise steward, whom his lord shall make ruler over his household, to give them their portion of meat in due season?
Two Different examples of that - each in their "due season..."
Hebrews 3:1 Wherefore, holy brethren, partakers of the heavenly calling, consider the Apostle and High Priest of our profession, Christ Jesus; 3:2 Who was faithful to him that appointed him, as also Moses was faithful in all his house.
Paul himself not only describes the Lord's due season in the following and in connection with time, but also, another due season after that one...
Galatians 4:3 Even so we, when we were children, were in bondage under the elements of the world: 4:4 But when the fulness of the time was come, God sent forth his Son, made of a woman, made under the law, 4:5 To redeem them that were under the law, that we might receive the adoption of sons.
Acts 17:11, 12.