How can I book ADR's when park hours aren't out yet?

[brklinck]

Check out KtP’s monthly calendars, which are generally released well before 180+10 days for the month. He must have inside sources, as his park hours are pretty much spot on with what WDW first releases.

Operating Hours Calendars for Advance Planners

First a little history lesson. WDW used to publish the initial operating hours calendar for a given month in advance of the 180+10 day for that month. It was referred to as the ‘TA Calendar’ as it was originally intended for travel professionals, but the URLs were a badly kept secret. Consequently, it became the go-to resource for Type-A planners so they could have their initial park plans ready for ADR Day. Also, it usually was the first thing that was updated when park hours were changed. How…