It's the 5th by seventh century CE when outer style and design and appearances of Hindu temples in north India and south India started to greatly diverge. Hanuman’s Panchmukhi Avatar, with its five faces symbolizing diverse Instructions, signifies his omnipresence and the ability to protect his devotees from all evils. https://panchmukhihanumanmandirnearme.blogspot.com/2025/01/exploring-spiritual-essence-of-hanuman.html