Holiday lights are from 4:30-9pm today
If you contact the zoo directly, they can help you out.
They are open daily from 10:00-4:30 pm
10AM–4:30PM Sunday hours
Well I got there yesterday at 4pm and the lights were already on. As far as til what time I am not sure today since the time they state on their website is not accurate. You might want to call ahead.
From 4pm till 8pm
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