National Pet Rock Day is celebrated on the first Sunday of September, with the next observance on September 6, 2026, in the United States. This quirky holiday invites participants to appreciate the low-maintenance nature of pet rocks, which require no feeding, walking, or veterinary care. People often adopt new pet rocks, decorate existing ones, or simply enjoy the humor behind this novelty. Activities may include sharing creative DIY pet rock tutorials on social media, posting photos of decorated rocks, or organizing virtual pet rock shows. Craft stores like Michaels and Hobby Lobby typically offer discounts on decorating supplies, while online platforms like Etsy and Amazon provide unique pre-decorated rocks or DIY kits. The day celebrates the whimsical spirit of pet ownership without the responsibilities associated with live animals.