The nature of dimensions beyond our own is still largely speculative and not well-understood. In theoretical physics, there are various models and hypotheses that suggest the existence of additional dimensions beyond the four we experience (three spatial dimensions and one dimension of time). These theories, such as string theory or M-theory, propose the existence of extra dimensions that are currently unobservable.
When it comes to the concept of time in higher dimensions, it's difficult to make definitive statements since we can only base our understanding on the dimensions we can perceive. However, some theories do suggest the possibility of dimensions where time behaves differently or may not exist in the same way we experience it.
For example, in certain versions of string theory, the number of dimensions can vary, and time can emerge as a result of interactions within these higher-dimensional frameworks. It is speculated that there could be regions in these higher-dimensional spaces where time behaves differently or doesn't exist at all. However, it's important to note that these are still theoretical ideas, and their existence or properties have not been confirmed through empirical observation.
Overall, the concept of dimensions beyond our own and the nature of time in those dimensions remain open questions in theoretical physics. Further exploration and scientific advancements are needed to gain a deeper understanding of these possibilities.