How is World AIDS Day calculated?

This event is observed every year on 1 December.

When is World AIDS Day 2025?

Name: World AIDS Day
Start: 2025-12-01
End: 2025-12-01
Location: Worldwide

Monday, 1 December 2025

World AIDS Day is observed annually on 1 December to raise awareness of HIV and AIDS, remember people who have died from AIDS-related illnesses, and support people living with HIV.

Frequently asked questions

When is World AIDS Day 2025?: World AIDS Day 2025 is on Monday, 1 December 2025.
What day of the week is World AIDS Day 2025?: It falls on Monday.
How is World AIDS Day calculated?: This event is observed every year on 1 December.