21 January 2027

• 21st day of the year. There are then 344 days left in 2027.
• 3rd Thursday 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.

• National Hug Day - Popular in: United States, India, Canada
• Santa Inés - Argentina, Spain
• Our Lady of Altagracia (Nuestra Sra. de Altagracia) - Dominican Republic, Costa Rica
• Grandmother's day (Dzień Babci) - Poland
• Mariachi band Day (Día del Mariachi) - Mexico
• Princess Ingrid Alexandra's birthday (Prinsesse Ingrid Alexandras fødselsdag) - Norway