Time in Ukraine

[[File:Tzdiff-Europe-winter.png|right|250px|thumb|This map shows the difference between legal time and local mean time in Europe during the winter. Most of Western Europe and western part of European Russia are significantly ahead of local solar time.

Time in Ukraine is defined as UTC+02:00 and in summer as UTC+03:00. Part of Eastern European Time, it is locally referred to as Kyiv Time (Київський час). On 16 July, 2024, the Ukrainian parliament voted to cease observing daylight saving time. Ukraine will switch to winter time at 4:00 27 October, and will remain there indefinitely.

Geographical description
The territory of Ukraine in Europe stretches 17°57' along a longitude or about 1.2 hours. Almost 95% of its territory is located in the Eastern European Time Zone with exceptions of its western and eastern extremities. Small portion of Zakarpattia Oblast is located in the Central European Time Zone, while Luhansk Oblast, most of Donetsk Oblast, and part of Kharkiv Oblast are geographically located in the Further-eastern European Time Zone. However, the whole country officially observes Eastern European Time.
 * Eastern extremity: village of Chervona Zirka (Velykotsk council), Milove Raion, Luhansk Oblast - 40°11′53″ (eastern longitude)
 * Western extremity: village of Solomonovo, Uzhhorod Raion, Zakarpattia Oblast - 22°09′50″ (eastern longitude)
 * Vernadsky Research Base in Antarctic is located in the Atlantic Time Zone (UTC-04:00).

History
Daylight saving time in Ukraine was introduced in the early 1980s. On 20 September 2011, the Verkhovna Rada (Ukrainian parliament) canceled the return from Eastern European Summer Time to Eastern European Time. On 18 October 2011, the Parliament abolished these plans. On 16 July 2024, Ukraine canceled the switch from Eastern European Time to Eastern European Summer Time. On 29 March 2014, after annexation by Russia, Crimea switched from Eastern European Time (UTC+02:00) to Moscow Time (UTC+04:00 then, subsequently changed to UTC+03:00). On 26 October 2014, the self-proclaimed proto-states of Donetsk People's Republic and Luhansk People's Republic also switched to Moscow Time.

IANA time zone database
The IANA time zone database contains four zones for Ukraine in the file zone.tab:


 * Europe/Kyiv – most locations
 * Europe/Uzhgorod – Ruthenia (because it used Central European Time in 1990/1991)
 * Europe/Zaporozhye – Zaporizhzhia and Luhansk Oblast
 * Europe/Simferopol – central Crimea