21 December 2025

21 December 2025 is ...

• 355th day of the year. There are then 10 days left in 2025.
• 51st Sunday of 2025.
• on the 51st week of 2025 (using ISO standard week number calculation).
• Birthstone for this day: Turquoise & Blue Topaz

21 December 2025 New Zealand Holidays & Popular Observances

There are no major holidays or observances in New Zealand for this date.

21 December 2025 Popular Holidays & Observances Worldwide

• Winter Solstice -
  Country Canada Colombia India Mexico Spain / Espana United Kingdom United States Venezuela
• Fourth Sunday of Advent -
  Country Australia Finland / Suomi Germany / Deutschland Italy / Italia Norway / Norge Sweden / Sverige United States
• Hanukkah (Continues) -
  Country Australia Canada Israel Italy / Italia Mexico Netherlands / Nederland South Africa United Kingdom United States
• Summer starts (Inicio del Verano) -
  Country Argentina Bolivia Brazil / Brasil Chile Ecuador Paraguay Peru Uruguay
• Kids' Day (Детињци) - Serbia
• Gravy Day - Australia