How far in advanced of a Direct does NIntendo add info into it

[Medisti]

Jumpin said:

Hope this helps:

* Nintendo Switch Presentation Nintendo Switch hardware and games January 12, 2017
* Arms, Splatoon 2; and Nintendo Switch and Nintendo 3DS games April 12, 2017
* Nintendo Switch games June 13, 2017
* Nintendo Switch and Nintendo 3DS games September 13, 2017
* Nintendo Switch and Nintendo 3DS games, with a focus on Mario Tennis Aces for Nintendo Switch March 8, 2018
* Nintendo Switch games, with a focus on Super Smash Bros. Ultimate June 12, 2018

Very helpful! Thanks. It looks like September is most likely, though August isn't impossible.