15 October 2023

• 288th day of the year. There were then 77 days left in 2023.
• 42nd Sunday of 2023.
• on the 41st week of 2023 (using ISO standard week number calculation).
• 23rd day of Fall. There were 67 days left till Winter.
• Birthstone for this day: Opal and Tourmaline

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

• International Day of Rural Women - Popular in:
  CountryAustraliaCanadaIndiaNew ZealandSouth AfricaUnited KingdomUnited States
• Teresa of Ávila (Santa Teresa de Jesús) - Mexico
• Global Handwashing Day - Popular in: United States, India, United Kingdom
• Día de la Madre (Argentina) - Argentina
• Dia do Professor - Brazil
• Anti Poverty Week Starts - Australia
• National Pug Day - United States