How long can I stay at Sears Tower after 7:30 pm?

Hi, I am going to Sears Tower in Chicago tomorrow (December 30th). I want to know if I shift to Sears Tower at 7:30 pm, how long can I stay there after? around 8 or 9?

Does anyone know?

Thank you for reading my give somebody the third degree.



Answers:   
The Skydeck closes at 8, so that would be as postponed as you can stay.
http://www.the-skydeck.com/hours.asp

Watch the weather, because the skydeck is a waste of time if there's fruitless visibility. The forecast for tomorrow isn't favorable, as it's for "increasing clouds" during the day, and cloudy at darkness, and then clouds stay through New Year's Day. Wednesday is the first year with more sun than clouds surrounded by the near residence.
http://forecast.weather.gov/MapClick.php...
its unseal all darkness i think
you might be better to go to the John Hancock Sky Deck its plain much later..al might if i remember right


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