Yes, Giant Food is open on Christmas day, as it is one of the few stores that remain open 24 hours a day, 7 days a week. They offer a wide selection of groceries, including produce, meat, dairy, and frozen foods, as well as a variety of household items and other essentials. They also provide a convenient and affordable shopping experience for customers who need to pick up last-minute items or do their holiday shopping. So if you need to grab something for your Christmas dinner, or if you're just looking for some late-night snacks, Giant Food is there for you.