GO Battle Day

GO Battle Day is a recurring event in Pokémon GO, revolving around GO Battle League. Prior to Season 9, the event was named GO Battle Night, and it had it time changed so more trainers could participate on it.

November, 2020
The first GO Battle Night took place on November, 2020 from 6 p.m. to 11:59 p.m. local time. Flying Cup would run, which only allows Flying-type Pokémon with a CP Limit of 1,500. All other Leagues were also available during GO Battle Night, including Ultra Premier Cup.

June, 2021
The second GO Battle Night took place on June, 2021 from 6 p.m. to 11:59 p.m. local time. Great League was available during this GO Battle Night.

July, 2021
The third GO Battle Night took place on July, 2021 from 6 p.m. to 11:59 p.m. local time. Stardust bonus during GO Battle Night did not combine with the 2× Stardust bonus that was active from June to July, 2021. Master League, Master League Classic and Element Cup were available during this GO Battle Night.

August, 2021
The fourth GO Battle Night took place on August, 2021 from 6 p.m. to 11:59 p.m. local time. Great League, Ultra League and Master League will be available during this GO Battle Night.

September, 2021
The first GO Battle Day will take place on September, 2021 from 12 a.m. to 11:59 p.m. local time. Ultra League and Ultra League Remix would run, which forbids the use of the top 10 Pokémon used in Ultra League by Trainers rank Ace and above.

November, 2021
The second GO Battle Day will take place on November, 2021 from 12 a.m. to 11:59 p.m. local time. Great League, Great League Remix, and Halloween Cup will be available during this GO Battle Day.

November, 2021
The third GO Battle Day took place on November, 2021 from 12 p.m. to 11:59 p.m. local time. Master League, Master League Classic and a Special Cup chosen by Trainers will be active available during this GO Battle Day.

Trivia

 * Due to serious connection problems since the start of Season 4, the first GO Battle Night originally planned on September was postponed.
 * On October, the rescheduled time of the first GO Battle Night was announced to be November 6 p.m. to 11:59 p.m. local time.