Updating current time…
CubaCDT
UTC−4
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ADT
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Quick answers

Selected conversion

8:00 am08:00 CDT (UTC-4), Oct 13, 2026 = 9:00 am09:00 ADT (UTC-3), Oct 13, 2026

Ciego de Ávila is 1 hour behind ADT.

How the time difference changes

For most of the year, Ciego de Avila is 1 hour behind ADT. From Nov 1, 2026 to Mar 14, 2027, Ciego de Avila is 1 hour behind AST. Briefly around clock changes, Ciego de Avila and AST have the same time.

For most of the year, working hours of 9:00 am to 5:00 pm in Ciego de Avila 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 Ciego de Avila 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 Ciego de Avila correspond to 10:00 to 18:00 in ADT. At other times of the year, working hours of 09:00 to 17:00 in Ciego de Avila correspond to 10:00 to 18:00 in AST.

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

Time Difference

CDT (Cuba Daylight Time) is 1 hour behind Atlantic Daylight Time.
8:00 am08:00 in Ciego de Avila, Cuba is 9:00 am09:00 in ADT

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

8:00 am08:00 CDT (Cuba Daylight Time) (Ciego de Avila, Cuba). Offset UTC -4:00 hours
9:00 am09:00 Atlantic Daylight Time (ADT). Offset UTC -3:00 hours

8:00 am08:00 Ciego de Avila, Cuba / 9:00 am09:00 ADT

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Hourly time comparison
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Ciego de Ávila Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Cuba Daylight Time, UTC-4 (now, daylight saving time)
CST – Cuba Standard Time, UTC-5 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 1:00 amSunday, November 1, 2026 at 01:00: clocks go back 1 hour to 12:00 am00:00 (CST). 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 12:00 amSunday, March 14, 2027 at 00:00: clocks go forward 1 hour to 1:00 am01:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

Ciego de Ávila Facts

Country
Cuba
Alternative Names
AVI, Ciego de Avila, Ciego de Ávila, S'ego-de-Avila, Сьего-де-Авила
Population
142,027
Currency
Peso (CUP)
Geographic Coordinates
21° 50' N Latitude / 78° 45' W Longitude
International Dialing Code
+53

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 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