Diancie is back and is bringing the glitz and the glam! Starting May 1st, 2024, at 10:00 a.m. local time, Trainers who complete the Special Research will earn either an encounter with the Mythical Pokémon Diancie or Diancie Candy. Diancie enters the spotlight in a Special Research available to all Trainers!

Special Research Story: Glitz and Glam

The Special Research story Glitz and Glam will be available to all Trainers for free starting May 1, 2024, at 10:00 a.m. local time! Trainers who complete the Special Research will earn an encounter with the Mythical Pokémon Diancie.* This Special Research will not expire, so you’ll be able to complete it at your own pace!

*If you have already accessed the Pokémon GO Fest 2023–exclusive Special Research, completing this new Special Research will instead earn you Diancie Candy.

Diancie-Themed Field Research

Wednesday, May 1, at 12:00 a.m. to Friday, May 3, 2024, at 11:59 p.m. local time

Field Research Task Rewards

Themed Field Research tasks will be available when you spin Photo Discs at PokéStops. Complete the tasks to earn Diancie Mega Energy and encounters with Carbink!

Source: https://pokemongolive.com/post/diancie-global-special-research