Funko Halloween Calendar - When Should I Start Opening It?

Hey Musers - I need your help!

I got this awesome Funko Halloween Countdown Calendar - I mean seriously how could I resist?  But here is my dilemma ..... there are only 13 doors!  I am assuming that the 13 is to be opened on Halloween which would mean Day 1 would be the 19th.  Right?  Let me know what you think in the comments and also let me know if you would like to see what is in each day as I find out!  

**I am sure there are posts on other sites where other people have already opened them all but I am avoiding ALL of them because I kinda want to be surprised lol**

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