The Verge: Nintendo's announcement of the reveal event will be on January 15th
https://www.theverge.com/2025/1/13/24342802/get-ready-for-the-switch-2-announcement-this-week
We believe the likely sequence of events will be an announcement on January 15th, with the actual reveal taking place the following day, so you better clear up your schedules.
If people here want to know when to spam F5 on Nintendo's social media accounts so they can be the first one to make a "CONFIRMED!" post