It is the 5th by way of 7th century CE when outer style and design and appearances of Hindu temples in north India and south India started to greatly diverge. It is usually believed that this temple has Swayam-bhu of Lord Hanumana which implies that Hanumana himself had appeared here. https://hanumanmandirsouthaustralia.movie.blog/2025/01/23/the-importance-of-hindu-temples-in-preserving-faith-and-culture/