The most important holiday for the Metawerans is the Celebration of Mundanity, which is observed on any day on which no other official holiday celebrated outside the territory of Metawera takes place..

Other important holiday dates are: 1 August – Whyte Ribbon Day; 29 February – Digout, or the Day of Discoverers of Ideas, which has been made a day free from thinking; and the Zyndramonalia celebrated on 20 October, the birthday of Zyndram from Murcki – the father of Metawera philosophy, the author of the statement, ‘Everything exists, because there does exist something’ and a precursor in the area of quantum mechanics as well as the father of contemporary syncretism.