Inti Raymi. INTI RAYMI PARTY. Andean customs of Peru. It is a celebration of the traditions and customs of Peru that takes place every June 24 of each year in the Plaza de Armas, which is located in the city of Cusco; where people go to the Sacsayhuamán fortress and the activity is carried out by the Inca. JJVHDHBVJDKJ KJFWUDHHDHCHDJCYDHJ. THE PARTY THAT IS CELEBRATED IN CUSCO ON JUNE 24 OF EACH YEAR PARTY TO THE SUN AND HARVEST. It is a custom of Peru that is celebrated in Puno. It is a custom of Peru that is done in puno.