#TIA – The other Christmas, and how many are celebrating it.
While in the UK, USA and much of the world Christmas Day is December 25, in a surprisingly-high number of countries celebrate Christmas on January 7.
This is because some countries use a different calendar.
In the West we use the Gregorian calendar, originally proposed by Pope Gregory in 1582.
Read more at The Telegraph
But in much of the former Soviet bloc and Middle East they remain on the Julian calendar, created under the reign of Julius Caesar in 45 BC.