When can you amke Thanksgiving ADR's

[AlwaysEeyore]

I am checking in to ASMO on 11/12, when can I make ADR's for Thanksgiving 11/22? I get confused with the 180 + 10 days. Is 5/16 right?

Thanks!

 

[Bob P]

Here you go:

http://pscalculator.net/pscalc.php