Originally Posted by
coleslaw
For the piece in bold, it's best to assume/plan for only the last 3 counting. But often Hyatt promos are based on checkout date only so it may end up doubling the entire 20 nights. So if you're going to do it then it's definitely worth taking the chance and signing up ASAP in the hope that you end up with 40 nights.
I'll sign up tonight, cheers and thank you!