Check online to see how long the time is or you can Google it on their app
Given that the movie is 2 hours and 3 minutes long and there is usually 15-20 minutes of previews. The 12:10 showing should end by 2:30
Look online for the runtime. If you've got something soon after, you should schedule it with the time it takes to get in and out in mind, plus transit, plus the preview time I heard mentioned, plus some cushion time. All told, give yourself at least fifteen minutes.
Imdb will show it's run time. Take into account 10 minutes of previews
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