Imoinu Iratpa or Emoinu Eratpa is a sacred religious festival dedicated to Imoinu, the goddess of wealth and prosperity in Meitei mythology and religion (Sanamahism). It falls on the 12th lunar day of the ""Waakching"" month of the Meitei calendar (Manipuri calendar). The festival is mainly celebrated by the Meitei ethnicity and other non-Meitei Sanamahists.