22 December 2026

• 356th day of the year. There are then 9 days left in 2026.
• 51st Tuesday 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 Australia for this date.

• National Mathematics Day - India
• Summer Solstice - New Zealand