Park hours vary, I suggest you download the app or look on their website
10 am to 5pm. During school days. 10 am to 7pm weekend. Summer nights times vary
10 am
https://www.legoland.com/california/legoland-california/days-and-hours-of-operation/ This is the up-to-date hours at California Legoland, including calendar of the next few months.
9:30 am
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