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World map with the time zone highlighted
|01:21, 11 November 2019 UTC−03:00|
|45 degrees W|
UTC−03:00 is an identifier for a time offset from UTC of −03:00.
- 1 As standard time (Northern Hemisphere winter)
- 2 As daylight saving time (Northern Hemisphere summer)
- 3 As standard time (all year round)
- 4 As daylight saving time (Southern Hemisphere summer)
- 5 Places using UTC−03:00, located outside the 45°W ± 7.5° range
- 6 Other uses
- 7 See also
- 8 References
As standard time (Northern Hemisphere winter)
As daylight saving time (Northern Hemisphere summer)
Principal cities: Halifax
- Canada – Atlantic Time Zone
- United Kingdom
As standard time (all year round)
- United Kingdom
As daylight saving time (Southern Hemisphere summer)
Places using UTC−03:00, located outside the 45°W ± 7.5° range
- El Chaltén, Argentina (72°53′W corresponding to UTC−04:51)
- Qaanaaq, Greenland (69°13′W corresponding to UTC−04:37)
- Buenos Aires, Argentina (58°22′W corresponding to UTC−03:53:48)
- Stanley, Falkland Islands (57°51'W corresponding to UTC−03:51:24)
- Uruguaiana, Brazil (57°05'W corresponding to UTC–03:48)
- Montevideo, Uruguay (56°23’W corresponding to UTC-03:44:51)
- Saint Pierre and Miquelon (56°12′W corresponding to UTC−03:44:40)
- Upernavik, Greenland (56°08′W corresponding to UTC−03:44:36)
- Paramaribo, Suriname (55°10′W corresponding to UTC−03:40:40)
- Kulusuk, Greenland (37°11′W corresponding to UTC−02:28)
- Recife, Brazil (34°54′W corresponding to UTC−02:19:36)
While Ethiopia officially uses UTC+03:00, Ethiopian culture follows a time system with two 12-hour cycles for day and night, and is 6 hours "slower" than the official time. The day begins with the day cycle at sunrise (6:00 a.m., but designated as 12 o'clock by local rendition) till sunset, followed by the night cycle (official 6:00 p.m., unofficial 12:00 night cycle). Therefore Ethiopia effectively follows UTC-03:00. 
- Time in Argentina
- Time in Brazil
- Time in Canada
- Time in Chile
- Time in Denmark
- Time in Paraguay
- Time in Uruguay
- "How far is it from Qaanaaq to locations worldwide". timeanddate.com. Retrieved 24 April 2014.
- "Newfoundland-Labrador Time Zone – Newfoundland-Labrador Current Local Time – Daylight Saving Time". TimeTemperature.com. Retrieved 26 October 2012.
- "South America Time Zone Map". TimeTemperature. Retrieved 4 February 2018.
- "Official Time". CHILEAN NAVY HYDROGRAPHIC AND OCEANOGRAPHIC SERVICE. Retrieved 17 June 2019.
- If you have a meeting in Ethiopia, you'd better double check the time, pri.org.