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.
30 December
• The first book – «Chasoslov» (The Hours) – was published in Kyiv (1616).
• The Ukrainian dramatist, journalist and teacher Mykola Kulish was born (1892/12/30 – 1937/11/03).
• The first Soviet government in Ukraine was established in Kharkiv (1917).
• Ivan Dzyuba's book «Internationalism or Russification» was published (1965).