The hours vary by day but are readily available online.
They are open all year around unless there is some type of disaster (ex. Hurricane). The parks do have different times of closing.
Every night. Otherwise, barring a natural disaster, they are open 365 days a year.
The hours can be found on the website and they are open every day normally.
Open today Monday9am–8pmTuesday9am–8pmWednesday9am–8pmThursday9am–8pmFriday9am–8pmSaturday9am–8pmSunday (Christmas Eve) 8am–10pm Hours might differ Close for hurricanes
What a dumb question.
It seems to me that they must. Animals need to rest, after all.
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