20 January 2027

• 20th day of the year. There are then 345 days left in 2027.
• 3rd Wednesday of 2027.
• on the 3rd week of 2027 (using ISO standard week number calculation).
• Birthstone for this day: Garnet

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

• Birthday of Queen Mathilda (Verjaardag van Koningin Mathilde) - Belgium
• Museum Selfie Day - United States
• Day of Deflvders of the Barricades (Barikāžu Aizstāvju Diena) - Latvia
• Saint Sebastian (Tamborrada de San Sebastian) - Popular in: Spain
• Saint John the Baptist Day (Свети Јован Крститељ) - Popular in: Serbia
• Fiesta de las Corralejas (Sincelejo) - Colombia