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.
28 December
• Daniil Zabolotny was born (1866/12/28 – 1929/12/15) – a Ukrainian bacteriologist.
• The Ukrainian Soviet Republic signed the Union Treaty with RSFSR (1920).
• Kyiv Labor Agency distributed 7 billion rubles for the organization of schools to eliminate illiteracy (1922).