| Light Blue | Western European Time / Greenwich Mean Time (UTC) |
| Blue | Western European Time / Greenwich Mean Time (UTC) |
| Western European Summer Time / British Summer Time / Irish Standard Time (UTC+1) | |
| Red | Central European Time (UTC+1) |
| Central European Summer Time (UTC+2) | |
| Yellow | Eastern European Time / Kaliningrad Time (UTC+2) |
| Ochre | Eastern European Time (UTC+2) |
| Eastern European Summer Time (UTC+3) | |
| Green | Moscow Time / Turkey Time (UTC+3) |
| Turquoise | Armenia Time / Azerbaijan Time / Georgia Time / Samara Time (UTC+4) |
| Pink | Kazakhstan Time / Yekaterinburg Time (UTC+5) |
▉▉▉ Dark hues: Daylight saving time source ↗
In Bulgaria, the standard time is Eastern European Time (Bulgarian: Източноевропейско време; EET; UTC+02:00).1 Daylight saving time, which moves one hour ahead to UTC+03:00 is observed from the last Sunday in March to the last Sunday in October,2 inline with most EU member states.3
History
Bulgaria first observed daylight saving time between 1943 and 1944, and regularly since 1979.4
Time notation
Bulgarians commonly use the 24 hour clock. The clock is often used on bus and train timetables.5
IANA time zone database
In the IANA time zone database, Bulgaria is given the zone Europe/Sofia:6
| c.c.* | coordinates* | TZ* | Comments | UTC offset | DST |
|---|---|---|---|---|---|
| BG | +4241+02319 | Europe/Sofia | +02:00 | +03:00 |
References
References
- Time in Bulgaria. TimeAndDate.com. Retrieved 5 May 2021.
- Bulgaria at The World Factbook. Central Intelligence Agency (CIA). Retrieved 5 May 2021.
- Bulgaria Turns Clocks to Daylight Saving Time March 28. Sofia News Agency – Novinite.com. Retrieved 5 July 2021.
- Clock Changes in Sofia, Bulgaria. TimeAndDate.com. Retrieved 5 May 2021.
- Time in Bulgaria. Lonely Planet. Retrieved 5 May 2021.
- Europe (2020 edition) at the tz database. Internet Assigned Numbers Authority (IANA). Retrieved 20 May 2021.