Pokemon Go has added seasons to the game, with the first season--the Season of Celebration--starting today and lasting until March 1, 2021. During the course of the Season, players will be able to participate in events taking place in Kanto, Johto, Hoenn, Sinnoh, Unova, and Kalos. During the Season, players will see difficult Pokemon in the wild more often, which means that players will see different Pokemon depending on the hemisphere they're currently in.
Different Pokemon will hatch from eggs, too. Growlithe and Wingull will hatch from 2 km Eggs, while Baltoy and Ducklett will hatch from 5 km Eggs. Shinx will hatch from the 5 km Eggs players receive from Adventure Sync rewards instead of Ducklett. Seel, Aron, and Elgyem will no longer hatch from Eggs.
Pokemon appearing more often in the northern hemisphere this Season include Alolan Sandshrew, Alolan Vulpix, Seel, Lapras, Teddiursa, Winter Form Deerling, and more. Pokemon appearing more often in the southern hemisphere this Season include: Growlithe, Shuckle, Electrike, Burmy, Darumaka, and Summer Form Deerling. Mega Charizard X, Mega Gengar, and Mega Abomasnow will be the only Pokemon appearing in Mega Raids throughout December, with Mega Charizard X more powerful during the first half of December. Other Mega-Evolved Pokemon may become more powerful as well during this Season, so stay tuned on that front.
December Community Day will be held on Saturday, December 12, and Sunday, December 13 2020. Pokemon seen in Community Day events throughout 2019 and 2020 will be appearing more frequently in the wild, so if you have a wishlist now is a great time to try and capture some rarer Pokemon. Interestingly, usually December Community Day has moves that were only available on previous community days for the pokemon, but whether that tradition will be continuing has yet to be made clear.