новый год

The Old New Year or the Orthodox New Year is an informal traditional holiday, celebrated as the start of the New Year by the Julian calendar. In the 20th and 21st centuries, the Old New Year falls on January 14 in the Gregorian calendar.
This traditional dating of the New Year is sometimes commonly called "Orthodox" because it harks back to a time when governments in Russia and Eastern Europe used the Julian calendar, which is still used by some jurisdictions of the Eastern Orthodox Church. The Eastern Orthodox Church's liturgical year actually begins in September.

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