God created time

"He has made everything beautiful in its time. Also, He has put eternity into man's heart, yet so that he cannot find out what God has done from the beginning to the end." Ecclesiastes 3:11

God created time, and made everything beautiful in it.
1st: Time is created by God. God IS WHO HE IS even before time begin. He is not limited by time. The question "when?" deals with time, and since God created time, He is not limited by time, and the question "When did God first come about?" cannot stand.

So God created time and gives man the knowledge of time, but that's not all. He also placed in our hearts that although there is a "time", and we are limited by it, there is also an "eternity" where we are not going to be limited by time. So, after we've reached our time limit on earth, we are face with eternity.

The most important point is, although we know there's a "time" where we are limited, and an eternity we have to face, we are still NOT God! We cannot know what God has done from the beginning and even to the end. Our God is of a higher authority than us.

He gives us partial understanding of Him. He is God, the ONE who NEVER changes.