It shows that the aquarium is open on thursdays until 9pm, is this true?

I believe so...

Yes, Thursday has a later schedule.

Yep!

Yes. We were there last Thursday and it's open till 9 p.m.

Yes.

Hello Ivan. We are currently running our summer special "Aquarium After Dark", this will be taking place every Thursday evening throughThursday, July 8 of 2021. After that, the Aquarium will return to its normal operating hours of Mon-Fri10 am to 5 pm.

Yes depending