What is April Fools' Day called in Danish with how to pronounce and transliteration in English?

English to Danish

• World Tourism Day Verdensdagen for turisme
• International Mother Earth Day
• Darwin Day
• International Day of Families International dag for familier
• International Women’s Day Internationale kvindedag
• International Day of Happiness International dag for lykke
• International Day of Persons with Disabilities International dag for personer med handicap
• International Left Handers Day Internationale venstre Handers dag
• World Diabetes Day Verdens Diabetes Dag
• Father's Day Fars dag