End times, does not mean those times at the end of time. It means, the end of God's will...meaning, that in the context of His eternal and timeless reality it is as if He determined all things and then snapped His fingers, and it was so. Times, then, in that scenario, refers to the unfolding revelation of His story unto all who are involved. In our reality (that of the world, and that of one who is a character written into the story), is: "a time, times, and half a time." In His reality, that being the actual and greater truth, time does not exist, and therefore can and is described as "I am", or in other words, "it is."
Therefore, the revelation of Jesus Christ, is just what it says as seen from John's vantage point: "the things which you have seen, and the things which are, and the things which will take place after this", in other words, "What was, what is, and what is to come." It's everything from Beginning to End.