The most tweets per second is 143,199 and was set during a television airing of the anime “Castle in the Sky” in Japan, on 3 August 2013.

Exact timing of this peak was 11:21:50 JST (August 2 at 7:21:50 PDT). On a typical day, more than 500 million Tweets are sent, with an average 5,700 TPS.