How to know when to hold her hand?

Me and this girl are going on our first date to the movies and then a walk around the mall/lake. I really like her and I know she really likes me. I want to hold her hand but I don't want it to be awkward, so when is the best appropriate time to do it?
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+1 y
Me and here are now going out, I held her hand and we kissed. THANX EVERYONE!
How to know when to hold her hand?
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