Apparently Thursday (March 4th) is significant to QAnon believers.

https://www.bbc.com/news/blogs-trending-56260345

<quote> Before the 20th amendment of the US Constitution - adopted in 1933 - moved the swearing-in dates of the president and Congress to January, American leaders took office on 4 March.

That's why QAnon followers have latched on to this date to underpin their latest theory. </quote>