According to the Law of Ukraine, in cases where a public holiday falls on the weekend (Saturday or Sunday), the weekend is extended by one day.
Red marks the official holidays wich are days off.
Brown marks the official holidays which are working days.
Green marks the celebrations, which change date.
27 December
• In the modern Kharkiv region, the opera singer (lyrically dramatic tenor) Ivan Alchevsky was born, singing abroad under the name of Jean Altchevsky, (1876/12/27 – 1917/05/09).
• The Ukrainian Red Army was established (1918).
• Decision of the Central Executive Committee and the Council of People's Commissioners in the Soviet Union on the introduction of a comprehensive passport system (1932).