Hhn 2024 Wikitechy.  — staying up to midnight late in august just to see if our speculation came true as universal announced the entire hhn lineup for that year! The event starts at 7pm every night, but closing.

 — halloween horror nights 2024 takes place on select nights from september 5, 2024, through november 3, 2024. Visit halloween horror nights, the premier halloween event, at universal studios in los angeles, orlando and singapore.