13 March 2021

• 72nd day of the year. There were then 293 days left in 2021.
• 11th Saturday of 2021.
• on the 10th week of 2021 (using ISO standard week number calculation).
• 83rd day of Winter. There were 7 days left till Spring.
• Birthstone for this day: Aquamarine, Bloodstone & Jade

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

• Founding of Mexico-Tenochtitlan (Fundación México-Tenochtitlan) - Mexico
• Dia 313 - United States