When does my 90 days ADR window begin?

[PrincessP]

We have already booked a Disney Vacation Package with tickets, free dining, and room at the Poly beginning 9/27. We will arrive late on 9/26 and will book a hotel (room only) for just that one night, probably a Value Resort.

So does our 90 days for ADR booking start 90 days before our value resort room only stay on 9/26 or our package stay 9/27 (since both are "on property")?

 

[DISNEYNY]

You can try to book the ADR's 90 days from 9/26. Some cm's will let you others will not. I have a split stay also and was allowed to make the ressies 90 out from my first arrival. I read posts from others who were told no. If one tells you no call back & try another.