I know I can make reservations 90 days out...

[2Tiggers]

I saw on the boards one time a link where you can plug in your arrival date and it will give you the date when you have to call to make ADR. Does anyone have that link?

 

[Girly_Qs]

I think this is what you're looking for?

http://www.pscalculator.net/pscalc.php

HTH!