World Timezones

AST-ATLANTIC to ART Converter

Compare ART to AST-ATLANTIC instead
Atlantic Time1:35 amFri, Jun 5
Atlantic TimeADT
North America · UTC-3
1:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
Argentina TimeART
South America · UTC-3
1:35 amFri, Jun 5
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p

Offset

There is no time difference between Atlantic Time and Argentina Time.

Same time

Atlantic Time (ADT) is currently the same time as Argentina Time (ART).

ADT: UTC-3

ART: UTC-3

Atlantic Time is currently observing daylight saving time; Argentina Time is not.

When to schedule

Business-hours overlap: 9 AM–5 PM in Atlantic Time (9 AM–5 PM in Argentina Time).

Both teams are in working hours during this window on weekdays.

Suggested time: 1:00 PM Atlantic Time (1:00 PM Argentina Time).

This window may shift by an hour during daylight saving time.

Public holidays in 2026

National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.

Canada

  • New Year's DayThu, Jan 1
  • Good FridayFri, Apr 3
  • Victoria DayMon, May 18
  • Canada DayWed, Jul 1
  • Labour DayMon, Sep 7
  • National Day for Truth and ReconciliationWed, Sep 30
  • ThanksgivingMon, Oct 12
  • Christmas DayFri, Dec 25

Argentina

  • New Year's DayThu, Jan 1
  • CarnivalMon, Feb 16
  • CarnivalTue, Feb 17
  • Day of Remembrance for Truth and JusticeTue, Mar 24
  • Day of the Veterans and Fallen of the Malvinas WarThu, Apr 2
  • Good FridayFri, Apr 3
  • Labour DayFri, May 1
  • May RevolutionMon, May 25
  • Anniversary of the Passing of General Martín Miguel de GüemesMon, Jun 15
  • General Manuel Belgrano Memorial DaySat, Jun 20
  • Independence DayThu, Jul 9
  • General José de San Martín Memorial DayMon, Aug 17
  • Day of Respect for Cultural DiversityMon, Oct 12
  • National Sovereignty DayMon, Nov 23
  • Immaculate Conception DayTue, Dec 8
  • Christmas DayFri, Dec 25

About these zones

Atlantic Time is also known as AST, or ADT. To call Canada, dial +1.

Argentina Time is also known as ART. To call Argentina, dial +54.

Argentina Time is approximately 5,500 miles south of Atlantic Time.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

AST-ATLANTICARTDay
12:00 am12:00 amSame day
1:00 am1:00 amSame day
2:00 am2:00 amSame day
3:00 am3:00 amSame day
4:00 am4:00 amSame day
5:00 am5:00 amSame day
6:00 am6:00 amSame day
7:00 am7:00 amSame day
8:00 am8:00 amSame day
9:00 am9:00 amSame day
10:00 am10:00 amSame day
11:00 am11:00 amSame day
12:00 pm12:00 pmSame day
1:00 pm1:00 pmSame day
2:00 pm2:00 pmSame day
3:00 pm3:00 pmSame day
4:00 pm4:00 pmSame day
5:00 pm5:00 pmSame day
6:00 pm6:00 pmSame day
7:00 pm7:00 pmSame day
8:00 pm8:00 pmSame day
9:00 pm9:00 pmSame day
10:00 pm10:00 pmSame day
11:00 pm11:00 pmSame day

Daylight saving time

Atlantic Time observes daylight saving time; Argentina Time does not. The offset between the two zones changes when Atlantic Time transitions: on Sunday, November 1, 2026, clocks fall back from ADT to AST.

See the daylight saving time page for transition dates across every time zone.

Daylight today

Atlantic Time
Sunrise
5:31 AM
Sunset
8:56 PM
Day length
15h 25m
Argentina Time
Sunrise
7:55 AM
Sunset
5:51 PM
Day length
9h 56m

Daylight overlap: 9h 56m — 7:55 AM–5:51 PM in Atlantic Time (7:55 AM–5:51 PM in Argentina Time). Both locations are in daylight during this window.

Cities in these zones

Cities in Atlantic Time

Cities in Argentina Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Atlantic Time

  • YHZ

Airports in Argentina Time

  • AEP
  • EZE

Related conversions

Common conversions

What is 9:00 am AST-ATLANTIC in ART?
9:00 am AST-ATLANTIC is 9:00 am ART.
What is 12:00 pm AST-ATLANTIC in ART?
12:00 pm AST-ATLANTIC is 12:00 pm ART.
What is 12:30 pm AST-ATLANTIC in ART?
12:30 pm AST-ATLANTIC is 12:30 pm ART.
What is 2:00 pm AST-ATLANTIC in ART?
2:00 pm AST-ATLANTIC is 2:00 pm ART.
What is 5:00 pm AST-ATLANTIC in ART?
5:00 pm AST-ATLANTIC is 5:00 pm ART.
What is 11:30 pm AST-ATLANTIC in ART?
11:30 pm AST-ATLANTIC is 11:30 pm ART.