Updating current time…
Dominican RepublicAST
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 AST (UTC-4), Oct 12, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 12, 2026

Santo Domingo is 1 hour ahead of CDT.

How the time difference changes

For most of the year, Santo Domingo is 1 hour ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, Santo Domingo is 2 hours ahead of CST.

For most of the year, working hours of 9:00 am to 5:00 pm in Santo Domingo correspond to 8:00 am to 4:00 pm in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in Santo Domingo correspond to 7:00 am to 3:00 pm in CST.For most of the year, working hours of 09:00 to 17:00 in Santo Domingo correspond to 08:00 to 16:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in Santo Domingo correspond to 07:00 to 15:00 in CST.

Compare Santo Domingo time with CDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

AST (Atlantic Standard Time) is 1 hour ahead of Central Daylight Time.
8:00 am08:00 in Santo Domingo, Dominican Republic is 7:00 am07:00 in CDT

Santo Domingo to CDT call time
Best time for a conference call or a meeting is between 10am-5pm10:00-17:00 in Santo Domingo which corresponds to 9am-4pm09:00-16:00 in CDT

8:00 am08:00 AST (Atlantic Standard Time) (Santo Domingo, Dominican Republic). Offset UTC -4:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours

8:00 am08:00 Santo Domingo, Dominican Republic / 7:00 am07:00 CDT

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Hourly time comparison
Santo Domingo, Dominican RepublicCDT
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Santo Domingo Time Zone and Facts

Time Zone

Abbreviation / Offset
AST – Atlantic Standard Time, UTC-4 (no daylight saving time)

Santo Domingo Facts

Country
Dominican Republic
Alternative Names
Ciudad Trujillo, SDQ, Saint Domingue, Santo Domingo, Santo Domingo City, Santo Domingo de Guzman, Santo Domingo de Guzmán, Santo Ntomin'nko, Santo-Domingo, santodoming-go, Σάντο Ντομίνγκο, Санто-Доминго, 산토도밍고
Population
2,201,941
Currency
Peso (DOP)
Geographic Coordinates
18° 28' N Latitude / 69° 53' W Longitude

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

Today all shaded areas are on CDT.

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).

123456789101112Start: Central Daylight Time (CDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Central Daylight Time (CDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone