21 December 2026

• 355th day of the year. There are then 10 days left in 2026.
• 51st Monday of 2026.
• on the 52nd week of 2026 (using ISO standard week number calculation).
• Birthstone for this day: Turquoise & Blue Topaz

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

• Winter Solstice -
  CountryCanadaColombiaIndiaMexicoSpain / EspanaUnited KingdomUnited StatesVenezuela
• Summer Solstice -
  CountryBoliviaBrazil / BrasilChileEcuadorParaguayPeruUruguay
• Gravy Day - Australia