When Is Christmas Day Celebrated. Christmas, an annual holiday that commemorates the birth of jesus christ, is celebrated in unique ways in different countries, even those with few christians. The 26th of december became known as boxing day in britain because this was the day when employers traditionally gave a.

While christmas is primarily celebrated as a christian holiday commemorating the birth of jesus christ, it coincides with the winter solstice and. Updated on june 25, 2019.