Dating the book revalation
Edersheim held that the many allusions in Johns Gospel and the book of Revelation to aspects of priestly service in the Temple inferred that John had close association with the priestly line (John John -16) and that the Temple was still in service at the time both books were written. While we might concur with Edersheims observations concerning Johns knowledge of priestly duties and the allusions found in his works, all that seems to be necessary is for John to have had such knowledge at some point during his life. Moreover, Ezekiel, like John, is told to measure the Temple he sees in his vision.
In other words, special revelation would stopbe sealed upby the time Jerusalem was destroyed.
Well intentioned people then set out to force Revelation into a time frame which is not in conflict with their belief that all divine inspiration ceased with the destruction of Jerusalem in AD 70.
First we'll deal conclusively with the belief that all divine inspiration ended in 70 AD with the destruction of Jerusalem.
In part, this teaching arises from the belief that all direct workings of the Holy Spirit ceased at the destruction of Jerusalem.
Consequently, all of the writings we have which comprise our New Testament would have to have been written prior to this date.
If we date it early, you have its fulfillment with God's judgment on the Old Covenant Israel. So dating plays a very important part in its interpretation.