December 21st Holidays: Celebrations and Observances Worldwide

December 21st is a day filled with various holidays, celebrations, observances, and historical significance around the world. From international events to national holidays and religious commemorations and saints, this date holds special meaning for many cultures and communities. Explore the list of holidays, observances and saints celebrated on December 21st.

Holidays on December 21st

  • Roman festivals - Divalia in honour of Angerona
  • R.C. Saints - Saint Petrus Canisius ; formerly feast day of Thomas the apostle
  • Also see December 21 (Eastern Orthodox liturgics)
  • The summer solstice (Southern Hemisphere) or winter solstice (Northern Hemisphere), sometimes known as Yule, occurs on or very close to this date. It is an important festival in the Chinese calendar.