WitcherCon is Friday, July 9, 2021. There will be two livestreams, one at 10 am Pacific and another at 6 pm Pacific.
(For the first stream, that's: 10 am PDT, 1 pm EDT, 9 pm BST.)
The evening stream will rerun the major segments from the first stream, but will also include new ones, including a look at the Witcher anime film Netflix is working on.