Port-au-Prince to ADT Time Converter

Updating current time…
Port-au-Prince
HaitiEDT
UTC−4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ADT
Atlantic Daylight Time
UTC−3
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 am08:00 EDT (UTC-4), Oct 12, 2026 = 9:00 am09:00 ADT (UTC-3), Oct 12, 2026

Port-au-Prince is 1 hour behind ADT.

How the time difference changes

For most of the year, Port-au-Prince is 1 hour behind ADT. From Nov 1, 2026 to Mar 14, 2027, Port-au-Prince is 1 hour behind AST. Briefly around clock changes, Port-au-Prince and AST have the same time or Port-au-Prince is 2 hours behind ADT.

For most of the year, working hours of 9:00 am to 5:00 pm in Port-au-Prince correspond to 10:00 am to 6:00 pm in ADT. At other times of the year, working hours of 9:00 am to 5:00 pm in Port-au-Prince correspond to 10:00 am to 6:00 pm in AST.For most of the year, working hours of 09:00 to 17:00 in Port-au-Prince correspond to 10:00 to 18:00 in ADT. At other times of the year, working hours of 09:00 to 17:00 in Port-au-Prince correspond to 10:00 to 18:00 in AST.

Compare Port-au-Prince time with ADT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

EDT (Eastern Daylight Time) is 1 hour behind Atlantic Daylight Time.
8:00 am08:00 in Port-au-Prince, Haiti is 9:00 am09:00 in ADT

Port-au-Prince to ADT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in Port-au-Prince which corresponds to 10am-5pm10:00-17:00 in ADT

8:00 am08:00 EDT (Eastern Daylight Time) (Port-au-Prince, Haiti). Offset UTC -4:00 hours
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours

8:00 am08:00 Port-au-Prince, Haiti / 9:00 am09:00 ADT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Port-au-Prince, HaitiADT
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Port-au-Prince Time Zone and Facts

Time Zone

Abbreviation / Offset
EDT – Eastern Daylight Time, UTC-4 (now, daylight saving time)
EST – Eastern Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (EST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (EDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
Haiti daylight saving time · Clock changes worldwide

Port-au-Prince Facts

Country
Haiti
Alternative Names
PAP, Port au Prince, Port o Prens, Port o Prensas, Port-au-Prince, Port-o-Prehns, Port-o-Prens, Port-o-Prins, Porto Principe, Porto Príncipe, Portoprensa, Portoprinco, Portus Principis, Potoprens, Puerto Principe, Puerto Príncipe, Pòtoprens, Ville de Port-au-Prince, bwrt aw brans, poleutopeulaengseu, porata-o-prainsa, port-o-pirins, porta-a-prinsa, porta-au-prinsa, porta-o-prinsa, porutopuransu, pwrtw prns, pwrtwprns, tai zi gang, Πορτ-ο-Πρενς, Порт о Пренс, Порт-о-Пренс, Порт-о-Прэнс, Պորտ-օ-Պրենս, פורט או פרינס, פורט-או-פרנס, بورت أو برانس, پورتو پرنس, پورتوپرنس, پورٹ او پرنس, पोर्ट-ऑ-प्रिंस, पोर्ट-औ-प्रिन्स, পোর্ট-অ-প্রিন্স, ਪੋਰਤ-ਓ-ਪ੍ਰੈਂਸ, போர்ட்-ஓ-பிரின்ஸ், പോർട്ട്-ഔ-പ്രിൻസ്, ปอร์โตแปรงซ์, པོ་རོ་ཊི་ཨའུ་པི་རིན་སི།, პორტ-ო-პრენსი, ፖርቶፕሪንስ, ポルトープランス, 太子港, 포르토프랭스
Population
1,234,742
Currency
Gourde (HTG)
Geographic Coordinates
18° 32' N Latitude / 72° 20' W Longitude
International Dialing Code
+509
More About Port-au-Prince
Port-au-Prince local time and city facts

Atlantic Daylight Time

Offset: ADT is 3 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bermuda, Canada, Greenland

Principal Cities: The largest city in the ADT time zone is Halifax in Canada, with about 471,559 people. Other major cities in this time zone include Sydney, Moncton, Saint John, Fredericton.

French: HAA - Heure Avancée de l'Atlantique

Map of the areas on Atlantic Daylight Time (ADT)
ADT part of the year

Today all shaded areas are on ADT.

Open the world time zone map© OpenStreetMap

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

123456789101112Start: Atlantic Daylight Time (ADT) 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: Atlantic Daylight Time (ADT) 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.

ADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -03 - basic short
  • -0300 - basic
  • -03:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0300 - sign character (-) followed by a four digit time providing hours (03) and minutes (00) of the offset. Indicates an offset of three hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Papa - Military abbreviation for ADT
  • P - short form of 'Papa'
IANA/Olson: Reflects ADT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Halifax
  • America/Moncton
  • America/Thule
  • Atlantic/Bermuda
  • Canada/Atlantic
Time zones with the GMT -3 offset:
  • ADT - Atlantic Daylight Time
  • PMT - Pierre & Miquelon Standard Time
  • PMST - Pierre & Miquelon Standard Time
  • AMST - Amazon Summer Time
  • ART - Argentina Time
  • BRT - Brasília time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • SRT - Suriname Time
  • UYT - Uruguay Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT