|Dogen watching the moon.|
Time can be seen as fundamental to reality. Everything can only appear as moments in time. Time is what we observe as the pattern with which the present moment changes.
If everything exist, it exist as moments in time. Infinite possibilities are unfolding as a seamless band of individual moments in conscious experiences. This band we call time.
Interestingly, time itself only exists as a concept. The only real thing about time is the everlasting moment. Time is never experienced outside of now. The concepts of past and future emerge as functions of our minds, always in the now.
Truth is only found now. There are all kinds of different experiences happening in the now. One day there will be enlightenment happening in the now, where the human concept of individuality is seen through and is replaced by more genuine understanding of being. On the other hand, there are many moments, in which the flow of events has no knowledge about it's own nature. This is the ordinary human experience.
Time after enlightenment. After enlightenment, time is seen for what it truly is. The change of events in the moment are still going to occur, but the awareness will always stay in the now. Concepts of future events are recognized as such. Plans can still be made and memories are still useful and nice. But the present moment will no longer appear as a tiny sliver of time, in between the seemingly infinite past and future. Instead it will be the eternal now that it actually is. Time being a property of what happens in it.
There is only being-time. All time occurs as moments of being. Nothing exists outside of it. Time both encapsulates all of existence and does not exist at the same time. This is one of the paradoxes of reality.