According to PW Insider, WWE will be taping both nights of WrestleMania 36 next Wednesday March 25th and Thursday March 26th. The company will also begin taping for television leading up to the Show of Shows staring tonight with SmackDown, which will air on March 27th and April 3rd. This coming Monday and Tuesday will be tapings for Raw's March 23rd and March 30th programs.
Reports state that there will also be tapings tomorrow for future NXT content/episodes, although there is no word on what those might be. Unless plans change, WrestleMania 36 will have all of it's matches and segments done two full weeks before it airs.
We'll keep you updated.