Universal Halloween Horror Nights 2024 Map. Visit halloween horror nights, the premier halloween event, at universal studios in los angeles, orlando and singapore. This year, hhn at universal studios hollywood will run on select nights from september 5 to november 3.

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.