A church father Clement of Alexandria (~150-~215) says this,
Here’s the quote:
“…listen to a…narrative, handed down and committed to the custody of memory, about the Apostle John. For when, on the tyrant’s death, he returned to Ephesus from the isle of Patmos, he went away, being invited, to the contiguous territories of the nations, here to appoint bishops, there to set in order whole Churches, there to ordain such as were marked out by the Spirit…”
That dates the writing in the 60s AD. It was BEFORE the fall of Jerusalem. Means the descriptions of the days of great tribulation happened in the years following the writing of Revelation.
Here’s the quote:
“…listen to a…narrative, handed down and committed to the custody of memory, about the Apostle John. For when, on the tyrant’s death, he returned to Ephesus from the isle of Patmos, he went away, being invited, to the contiguous territories of the nations, here to appoint bishops, there to set in order whole Churches, there to ordain such as were marked out by the Spirit…”
That dates the writing in the 60s AD. It was BEFORE the fall of Jerusalem. Means the descriptions of the days of great tribulation happened in the years following the writing of Revelation.