German Advent Calendars for 2023 We’ve handpicked the coolest Advent calendars from Germany, including options for beauty, kids, pets, chocolate, and coffee. Starting on December 1st, you open one window each day. Every year, these beautiful and creative Advent calendars decorate not only children’s rooms in Germany but also bring joy to young and old. Typically, each window reveals a small treat. This is a cherished German Christmas tradition. Advent calendars can also serve .