Armed Forces Day in 2025 is observed on different dates depending on the country:

• In the United States, Armed Forces Day is celebrated on the third Saturday of May, which in 2025 falls on May 17, 2025. This day honors those currently serving in the U.S. military branches.

• In the United Kingdom, Armed Forces Day 2025 is on the last Saturday of June, which is June 28, 2025. It is a day to show support for all who have served in the Armed Forces, including current personnel, veterans, and their families.

• In Northern Ireland, specifically in Newtownards, the Armed Forces Day event is on June 21, 2025.

Thus, for the United States, Armed Forces Day 20 (2025) is on May 17, while in the UK, it is celebrated later, on June 28.