Why wouldn't time move backwards for the entire universe? If it does, there can be no record of any future event and there is no way to determine that time is m

Why wouldn't time move backwards for the entire universe? If it does, there can be no record of any future event and there is no way to determine that time is moving backwards. If time moved backwards in one spot, what about all the information connected to that spot. Why wouldn't that information rollback too?