Yes, time is a phenomenon. And matter is always on the move. There exists no matter at a standstill.
As such, we have the evidence that matter is a resulting outcome because it is not only distinct in its expression (compared to immaterial energy), it is also on the move.
Then, when viewing what matter does, we have both distance and duration of that move (in a specific frame of time and space).
What Einstein did not do, because the Big Bang was not known to him when he wrote his most famous theories, is incorporate all motions that matter is involved in.
To keep it simple: 1 + 1 + 1 + GR = Spacetime.
In reality, it is: 1 + 1 + 1 + 1 = 4 motions in total.
Einstein left out the most important motion of all matter. Even after he learned about the Big Bang, Einstein did not look for the ordinary mechanical explanation for the anomalies that have plagued scientists since Newton.
Spacetime, GR, demands there is more gravity for holding a galaxy together then in reality available. Again, by not incorporating all motions for matter, we miss out on understanding why there is just the amount of gravity there is.
Einstein embraced Spacetime, but in reality it is the same as declaring there has to be an ether. In short, he missed out on incorporating all motions for matter.
If interested, I published my article on ResearchGate today that appoints all motions, and as such we have a complete view on all motions of matter, including explaining the 'anomalies'.
Thank you, Glenn, for pointing out how time is often misunderstood, and you are correctly pointing to Einstein as the culprit.