The nature of time is a topic of philosophical and scientific debate, and different theories and perspectives exist regarding its fundamental nature. In the context of your question, it seems you're referring to the concept of the emergence of time or the transition from a state without time to a state with time.
It's important to note that time is a fundamental component of our understanding of the universe and is closely linked to the concept of causality and the progression of events. However, the exact origin and nature of time remain open questions.
In physics, time is often treated as a dimension along with space in the framework of spacetime. According to the prevailing theories, such as general relativity, time is not considered an invariant or unchanging quantity but is influenced by gravitational fields and the relative motion of observers.
In some philosophical and scientific theories, such as certain interpretations of quantum mechanics, time may be considered as a fundamental aspect of reality rather than an emergent property. However, these ideas are still subjects of ongoing research and investigation.
In summary, the nature of time and its origin are complex topics, and there is no consensus on whether time is a perpetual invariant or if it had a specific point of emergence. Our current understanding suggests that time is an essential component of our universe, intimately connected to the fabric of spacetime, but the exact nature and origins of time are still subjects of scientific and philosophical inquiry.