13 August 2023

• 225th day of the year. There were then 140 days left in 2023.
• 33rd Sunday of 2023.
• on the 32nd week of 2023 (using ISO standard week number calculation).
• Birthstone for this day: Peridot

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

• International Left-Handers Day - Popular in:
  CountryCanadaIndiaNew ZealandNigeriaSouth AfricaUnited KingdomUnited States
• Dia dos Pais - Brazil