We are in the church age. The one before that was the age of Law. The last days refers to the last dispensation before Christ returns to set up his Millenial Reign.
There is no such thing as new light. There are no new prophets. The bible canon was closed with the death of the last apostle and with that, the Word of God is God's complete revelation to man. Anyone who preaches a message that the apoistles didn't preach are cursed. (Gal. 1: 8-9)
John 5:39. “Search the scriptures; for in them ye think ye have eternal life: and they are they which testify of me.”
Acts 10: 43 - To him give all the prophets witness, that through his name whosoever believeth in him shall receive remission of sins.