National Daughters Day is celebrated on September 25 each year, including in 2025. Some people observe it on the fourth Sunday in September or on October 1 in certain countries, but the widely recognized date is September 25. It's a day dedicated to celebrating and cherishing daughters and the unique relationships they have with their parents.
Additionally, there is a National Sons and Daughters Day on August 11, and World Daughters Day on September 28.
In summary, the main date for Daughter's Day in many countries, including the U.S., is September 25. Other observances can vary by country or culture.