Time is our way of measuring changing motion.
I can't see how we can measure this, if we don't exist.
It is also relative, and observers elsewhere may perceive its passage differently from us.
Quantum fluctuations and symmetry changes may have given rise to the Big Bang, (under presently accepted theory), … so if quantum fluctuations and symmetry changes are all there is left at 'the end', then there will still be changes in motion .. but no one will ever be there to observe it !
Neat stuff !!
Cheers
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