Sixteenth century Pope Gregory XIII approved a revised, more astronomically precise calendar, which bears his name ... the following day. How do Eastern Orthodox observe Christmas?

Sixteenth century Pope Gregory XIII approved a revised, more astronomically precise calendar, which bears his name ... the following day. How do Eastern Orthodox observe Christmas?

While much of the world has Christmas in the rearview mirror by now, people in some Eastern Orthodox traditions will celebrate the holy day on Sunday. Certain Eastern Orthodox churches ...

While much of the world has Christmas in the rearview mirror by now, people in some Eastern Orthodox traditions will celebrate the holy day on Sunday. Certain Eastern Orthodox churches ...