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ADT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PanamaEST
UTC−5
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 am09:00 ADT (UTC-3), Oct 29, 2026 = 7:00 am07:00 EST (UTC-5), Oct 29, 2026

ADT is 2 hours ahead of Panamá.

How the time difference changes

For most of the year, ADT is 2 hours ahead of Panama. From Nov 1, 2026 to Mar 14, 2027, AST is 1 hour ahead of Panama.

For most of the year, working hours of 9:00 am to 6:00 pm in ADT correspond to 7:00 am to 4:00 pm in Panama. At other times of the year, working hours of 9:00 am to 6:00 pm in AST correspond to 8:00 am to 5:00 pm in Panama.For most of the year, working hours of 09:00 to 18:00 in ADT correspond to 07:00 to 16:00 in Panama. At other times of the year, working hours of 09:00 to 18:00 in AST correspond to 08:00 to 17:00 in Panama.

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

Time Difference

Atlantic Daylight Time is 2 hours ahead of EST (Eastern Standard Time).
9:00 am09:00 in ADT is 7:00 am07:00 in Panama, Panama

ADT to Panamá call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in ADT which corresponds to 9am-4pm09:00-16:00 in Panamá

9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours
7:00 am07:00 EST (Eastern Standard Time) (Panama, Panama). Offset UTC -5:00 hours

9:00 am09:00 ADT / 7:00 am07:00 Panama, Panama

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Hourly time comparison
ADTPanama, Panama
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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.

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 Canada daylight saving time and 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 - Brasilia Time
  • CLST - Chile Summer Time
  • FKST - Falkland Islands Summer Time
  • FKT - Falkland Islands Time
  • GFT - French Guiana Time
  • P - Papa Time Zone
  • PYST - Paraguay Summer Time
  • PYT - Paraguay Time
  • SRT - Suriname Time
  • UYT - Uruguay Time

Panamá Time Zone and Facts

Time Zone

Abbreviation / Offset
EST – Eastern Standard Time, UTC-5 (no daylight saving time)

Panamá Facts

Country
Panama
Alternative Names
Ciudad de Panama, Ciudad de Panamá, Ciutat de Panama, Ciutat de Panamà, PTY, Panama, Panama City, Panama Hiria, Panama by, Panama-Stadt, Panama-Urbo, Panama-stad, Panamurbo, Panamá, Pole tou Panama, Ziuda de Panama, Ziudá de Panamá, ba na ma cheng, panama si, panama siti, panamashiti, panamasiti, pnmh syty, shhr panama, Πόλη του Παναμά, Панама, פנמה סיטי, شهر پاناما, पनामा सिटी, ปานามาซิตี, ፓናማ ከተማ, パナマシティ, 巴拿馬城, 파나마 시, 파나마시티
Population
408,168
Currency
Balboa (PAB)
Geographic Coordinates
8° 59' N Latitude / 79° 31' W Longitude
International Dialing Code
+507