The release date for Kingdom Hearts III has been revealed at the Kingdom Hearts Orchestra World Tour. On January 29, 2019, it will come to the PlayStation 4 and Xbox One in North America and Europe. It will come to Japan a few days earlier on January 25, 2019.
The official statement on Twitter is as follows.
We’ve announced the release day for KINGDOM HEARTS III ahead of E3 at the KINGDOM HEARTS Orchestra -World Tour-. I’m sorry that we’re asking for a little more time than initially planned. Please look forward to other information, including a few trailers at E3. Thank you – Nomura
— Kingdom Hearts (@KINGDOMHEARTS) June 10, 2018
Kingdom Hearts III’s first teaser trailer announcement appeared at Sony’s press briefing at E3 2013.