Updating current time…
CanadaEST
UTC−5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AST
UTC−4
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

10:00 am10:00 EST (UTC-5), Nov 1, 2026 = 11:00 am11:00 AST (UTC-4), Nov 1, 2026

Islington-City Centre West is 1 hour behind AST.

How the time difference changes

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

For most of the year, working hours of 9:00 am to 6:00 pm in Islington-City Centre West correspond to 10:00 am to 7:00 pm in ADT. At other times of the year, working hours of 9:00 am to 6:00 pm in Islington-City Centre West correspond to 10:00 am to 7:00 pm in AST.For most of the year, working hours of 09:00 to 18:00 in Islington-City Centre West correspond to 10:00 to 19:00 in ADT. At other times of the year, working hours of 09:00 to 18:00 in Islington-City Centre West correspond to 10:00 to 19:00 in AST.

Compare Islington-City Centre West time with AST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

EST (Eastern Standard Time) is 1 hour behind Atlantic Standard Time.
10:00 am10:00 in Islington-City Centre West, Canada is 11:00 am11:00 in AST

Islington-City Centre West to AST call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Islington-City Centre West which corresponds to 10am-6pm10:00-18:00 in AST

10:00 am10:00 EST (Eastern Standard Time) (Islington-City Centre West, Canada). Offset UTC -5:00 hours
11:00 am11:00 Atlantic Standard Time (AST). Offset UTC -4:00 hours

10:00 am10:00 Islington-City Centre West, Canada / 11:00 am11:00 AST

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
Islington-City Centre West, CanadaAST
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01:00 ADT UTC-3
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Islington-City Centre West Time Zone and Facts

Time Zone

Abbreviation / Offset
EST – Eastern Standard Time, UTC-5 (now)
EDT – Eastern Daylight Time, UTC-4 (daylight saving 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.
Daylight Saving Time Ends
123456789101112Sunday, November 7, 2027 at 2:00 amSunday, November 7, 2027 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.

Islington-City Centre West Facts

Country
Canada
Population
43,965
Currency
Dollar (CAD)
Geographic Coordinates
43° 38' N Latitude / 79° 32' W Longitude
International Dialing Code
+1
More About Islington-City Centre West

Atlantic Standard Time

Offset: AST is 4 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Anguilla, Antigua and Barbuda, Aruba, Barbados, Bermuda, British Virgin Islands, Canada, Caribbean Netherlands, Curaçao, Dominica, Dominican Republic, Greenland, Grenada, Guadeloupe, Martinique, Montserrat, Puerto Rico, Saint Barthélemy, Saint Kitts and Nevis, Saint Lucia, Saint Martin, Saint Vincent and the Grenadines, Sint Maarten, Trinidad and Tobago, US Virgin Islands

Principal Cities: The largest city in the AST time zone is Santo Domingo in the Dominican Republic, with about 2.202 million people. Other major cities in this time zone include Santiago de los Caballeros, Halifax, San Juan, San Pedro de Macorís.

French: HNA - Heure Normale de l'Atlantique

Spanish: AST - Tiempo Estándar del Atlántico

Map of the areas on Atlantic Standard Time (AST)
AST all year AST part of the year

Today all shaded areas are on AST.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Atlantic Daylight Time (ADT).

123456789101112Start: Atlantic Standard Time (AST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Atlantic Standard Time (AST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

See Canada daylight saving time and upcoming clock changes worldwide.

AST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for AST
  • Q - short form of 'Quebec'
IANA/Olson: Reflects AST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anguilla
  • America/Antigua
  • America/Aruba
  • America/Barbados
  • America/Blanc-Sablon
  • America/Curacao
  • America/Dominica
  • America/Glace_Bay
  • America/Goose_Bay
  • America/Grenada
  • America/Guadeloupe
  • America/Halifax
  • America/Kralendijk
  • America/Lower_Princes
  • America/Marigot
  • America/Martinique
  • America/Moncton
  • America/Montserrat
  • America/Port_of_Spain
  • America/Puerto_Rico
  • America/Santo_Domingo
  • America/St_Barthelemy
  • America/St_Kitts
  • America/St_Lucia
  • America/St_Thomas
  • America/St_Vincent
  • America/Thule
  • America/Tortola
  • America/Virgin
  • Atlantic/Bermuda
  • Canada/Atlantic
AST Abbreviation: Several time zones share AST abbreviation and it could refer to these time zones
  • Atlantic Standard Time - UTC -4
  • Arabia Standard Time - UTC +3
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time