Hhn 2024 Wikihow. Halloween horror nights is an annual halloween event that occurs at universal orlando resort, universal studios hollywood and universal studios singapore. Halloween horror nights (hhn) takes place select nights sept.

Universal studios hollywood has announced more details for this year’s halloween horror nights 2024, revealing all the new houses, the terror tram, and zones the guests can experience at the event, taking place on select nights from thursday, september 5 through sunday, november 3, 2024. That’s over two whole months!