They are 24 hours on weekends and 6P-8a during the week.
I was there on a week night and they were there all night.
Only on weekends and holidays. The rest of the time it's the opposite of normal vet hours. For example, instead of being open 9am-7pm, they're open 7pm-9am through the night. I'm not sure the exact time they close/open but I know I had to pick up my dog on a Monday morning at 730am because they were closing and can't leave the animals without a vet or nurse.
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