International Day of Charity September 5, 2025

National Philanthropy Day November 15, 2025

Giving Tuesday December 2, 2025
International Volunteer Day December 5, 2025

International Corporate Philanthropy Day February 23, 2026

Good Deeds Day April 12, 2026
National Volunteer Week April 19-25, 2026

Give Big Washington May 6 & 7, 2026

National Nonprofit Day August 17, 2026