May I help you see how it is important to ask God about His word?
Did the Lord tell you this?   Did men say this?  My guess? Men did.
You are just claiming a verse having not done a study . 
   Have you deeply thought on it in the presence of God?  I have ... He is so faithful to answer when we ask Him questions!
  This is what He told me.  No man knows ANY day or time of any event they have planned or expect to happen.   All of it is in God's hand how it is orchestrated with His perfect timing, however, the event coming can be determined during a season of time.  It will happen.
Just as the wisemen and the shepherds were given a season of time, so can we know.  The difference between the wisemen and the shepherds, is the shepherds likely had a closer relationship with God tham the wisemen.  God doesn't show up to just anyone in all His glory and share His mysteries!
  After I asked the Lord for 3 months straight if a group of people could know as closely as the shepherds did, He answered!  It was a day vision where He stopped time.  On Sept 2, 2018 as I entered the dining room where all 3 of my girls were sitting at the table, He gave me a vision that answered my request.  When it was done, suddenly all my girls tried to talk to me.  I ran by them to go write it down asking them to wait a second.
  The Lord reminded me of this vision just about a month ago when a Believer online wished they could hear the whole vision.
  I recommend you vi sit.  It is where Jesus said, "All the signs are here!  I am coming ANY day now!"
  "A man plans his way, but God directs his steps."
  We must say, "if the Lord WILLS, we will do this or that.

All events in our life are orchestrated by the Lord.  We know the Season for them, but we can only hope it will be on the day and hour we think!