Where do you get hm dive in light platinum?

In Pokémon games, you can typically find HM Dive in specific locations, often tied to the storyline. For example, in Pokémon Omega Ruby and Alpha Sapphire, you receive HM08 Dive from a character named Steven Stone in a cave. In other games, it might be found in a hidden location or given by a specific NPC. Be sure to check guides for the specific Pokémon game you're playing, as the location may vary.