Evolve Piloswine with Sinnoh Stone during or up to one hour after Pokémon GO Community Day to obtain a Mamoswine that knows the exclusive move Ancient Power

Niantic has announced that the second Pokémon GO Community Day of 2019 will take place on in February in various territories across the globe. It will feature increased spawns of Swinub, triple catch Stardust, three-hour Lures, the exclusive move Ancient Power for Mamoswine and more. For the first time, evolve Piloswine with a Sinnoh Stone during or up to one hour after Community Day to obtain a Mamoswine that knows the Rock-type move Ancient Power. In order for Piloswine to evolve into Mamoswine, you must use the rare Sinnoh Stone item on it. Based on all previous Community Days, Shiny Swinub, Shiny Piloswine and Shiny Mamoswine will also make their Pokémon GO debuts. Check below to find out when event hours fall in your region of the world:

• Europe, the Middle East, Africa and India: February 16, 2019, from 10:00 a.m. to 1:00 p.m. UTC
• The Americas and Greenland: February 16, 2019, from 11:00 a.m. to 2:00 p.m. PST
• The Asia-Pacific region: February 17, 2019, from 12:00 p.m. to 3:00 p.m. JST

Source: @PokemonGoApp