The Global Challenge for the GO Fest Pokémon Weekend has already begun. Over the weekend, players can earn special rewards that will happen over the next week and, if all is found, they will unlock Zapdos Day. These run from specific times:
GO Fest – July 14/15 = The rewards go from July 16 to 23
GO Fest – Complete 100,000 Search Tasks – Capture Sweet Increase
Europe (July 14 at 00:00 UTC – July 15 at 23:59 UTC) – Complete 5,000,000 search tasks – Increased Hatch Candy
Americas (July 14 at 00:00 PDT – July 15 at 23:59 PDT) – Complete 5,000,000 search tasks – Reduced egg distance
Asia Pacific (July 14 at 00:00 JST – July 15 at 23:59 JST) – Complete 5,000,000 search tasks – Raid Candy Attack
Along with this, Shiny Plusle & Minun are now alive, as are Alolan Geodude, Alolan Graveler, Alolan Golem, Alolan Diglett and Alolan Dugtrio. To coincide with this, three new boxes have also been published
Special Box – 480 Currencies – 1 Egg Incubator, 4 Premium Raid Pass and 20 Ultra Balls
Great Box – 780 Coins – 3 Super Incubators, 6 Premium Raid Pass, 10 Pinap Berry and 6 Star Pieces
Source: Serebii