Today, The Pokémon Company announced there will be a special edition Pikachu spawning to celebrate Pokémon Day! Party Hat Pikachu will start spawning February 26 at 1:00 p.m. PST to March 6 at 1:00 p.m. PST.
Announcement:
Pikachu Parties in Pokémon GO!
Keep your eye out for a special Pikachu wearing a party hat to celebrate Pokémon Day!Pikachu is ready to lead the Pokémon Day celebration in Pokémon GO. From February 26 at 1:00 p.m. PST to March 6 at 1:00 p.m. PST, any Pikachu you encounter in the wild will be wearing a festive party hat! The Pikachu you catch during that time will keep its party hat forever, so be sure to look for this special Pikachu during its short time in the wild.