Estonia uses Eastern European Time (EET) (UTC+02:00) during winter, and Eastern European Summer Time (EEST) (UTC+03:00) during summer. Estonia has observed daylight saving time since 1981. However, it wasn't used in 1989-1996^{[citation needed]} and 2000–2002.^[1]

Before autumn 1940, Eastern European Time was used in Estonia. After incorporation into Soviet Union, Moscow Time was imposed on. Moscow Time was used until 26 March 1989.^[1]