Hhn Crowd Calendar 2024. This year, halloween horror nights will run on select nights. Event operating hours are 6:30 p.m.
![Hhn Crowd Calendar 2024](https://tse1.mm.bing.net/th?q=Hhn%20Crowd%20Calendar%202024&w=1280&h=720&c=5&rs=1&p=0)
Here are 2024 dates for halloween horror nights: This crowd calendar is designed specifically for the universal studios hollywood theme park.