17 December 2023

• 351st day of the year. There are then 14 days left in 2023.
• Vikram Samvat Hindu date of: रविवार 1 Poush 2080.
• 51st Sunday of 2023.
• on the 50th week of 2023 (using ISO standard week number calculation).
• 86th day of Fall. There are 4 days left till Winter.
• Birthstone for this day: Turquoise & Blue Topaz

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

• Third Sunday of Advent -
  Country Australia Finland / Suomi Germany / Deutschland Italy / Italia Norway / Norge Sweden / Sverige United States
• Muerte de Simón Bolívar (Venezuela) - Venezuela
• Kids' Day (Детињци) - Serbia
• National Maple Syrup Day - Popular in: United States, Canada
• Día Latinoamericano del Ambientalista - Colombia