National Dog Day May 2025. Dog mom's day is always on the second saturday in may. One of the best celebrations is national dog week, which is held during the fourth week of september 1.

The national rescue dog day on may 20 brings with it a promise of love, friendship, and kindness. National dog day is observed to celebrate dogs and to encourage people to adopt shelter dogs of all breeds by nbc staff and cnbc tv18 • published august 26, 2025 •.