The equivalence between time and space, similar to the equivalence between matter and energy (as described by Einstein's famous equation E=mc²), is not a concept that is widely supported or accepted in contemporary physics.
In Einstein's theory of general relativity, space and time are combined into a four-dimensional framework called spacetime. Spacetime is a mathematical description that unifies three dimensions of space with one dimension of time. However, this does not imply an inherent equivalence between time and space in the same way that matter and energy are interchangeable.
While time and space are interconnected through the fabric of spacetime, they are distinct entities with different properties. Time is often considered to be a one-directional dimension, moving from the past to the future, whereas space allows movement in different directions.
It is important to note that our understanding of the fundamental nature of time, space, and their relationship is an ongoing area of research and debate. The field of theoretical physics, including areas such as quantum gravity and string theory, continues to explore and refine our understanding of these concepts. However, at present, there is no widely accepted scientific framework that supports the complete equivalence between time and space.