The Ethiopian calendar was first adapted some time around 1000 BC. The exact year and date is not known. Some historians think the Ethiopian calendar was adapted after the Queen of Sheba visited King Solomon.

it is 2002 and tomorrow going to be x mas

January 7th is what is called "Old Christmas." It is Christmas Day on the Julian Calendar. The Calendar was revised in the 16-17th Centuries and the Gregorian Calendar replaced the Julian. The two calendars are 13 days apart. For religious reasons, some (like the Ethiopian Christians) have never adopted the new calendar, and still commemorate Old Christmas.

Christmas falls on the 7th of January due to the differences between the Ethiopian calendar and the Gregorian calendar used in the western world.

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