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Time in the Dominican Republic

The Dominican Republic observes Atlantic Standard Time (UTC−4) year-round.[1] Daylight saving time was used in the past.

Time in Dominican Republic
Time zoneAtlantic Standard Time
InitialsAST
UTC offsetUTC−4
Daylight saving time
DST not observed
tz database
America/Santo Domingo

History

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At midday April 1, 1933, Rafael Trujillo ordered a decree that established a national time zone for the Dominican Republic, which was set to five hours behind Greenwich Mean Time (GMT). Prior to that, time in the Dominican Republic was governed by Santo Domingo Mean Time, which was 4 hours and 40 minutes behind GMT.[2]

On October 27, 1974, the Dominican Republic moved from Eastern Standard Time to Atlantic Standard Time.[3]

IANA time zone database

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In the IANA time zone database, Dominican Republic is given one zone in the file zone.tab—America/El_Salvador. "SV" refers to the country's ISO 3166-1 alpha-2 country code. Data for Dominican Republic directly from zone.tab of the IANA time zone database; columns marked with * are the columns from zone.tab itself:[4]

c.c.* coordinates* TZ* Comments UTC offset DST
DO +1828−06954 America/Santo_Domingo −04:00 −04:00

References

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  1. ^ "Dominican Republic". The World Factbook. Central Intelligence Agency (CIA). Retrieved 25 October 2022.
  2. ^ "¿Por qué Haití y República Dominicana no tienen la misma hora en todo el año?". Diario Libre (in Spanish). 2022-06-05. Retrieved 2023-09-24.
  3. ^ "Daylight Saving Time Changes 1974 in Santo Domingo, Dominican Republic". www.timeanddate.com. Retrieved 2024-07-02.
  4. ^ "North America". tz database. Internet Assigned Numbers Authority. Retrieved 25 October 2022.
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