Thrissur Pooram (Malayalam: തൃശ്ശൂര് പൂരം) is one of the most popular temple festivals of the South Indian state Kerala. It is held at Vadakkunnathan Temple every year on 'Pooram' (Malayalam: പൂരം, pronounced [puːɾam]) day of the Malayalam Calendar month of 'Medam'. 'Pooram' day is the day when the moon rises with the Pooram star.