World Timezones

HST to ART Converter

Compare ART to HST instead
Hawaii Time6:35 pmThu, Jun 4
Hawaii TimeHST
North America · UTC-10
6:35 pmThu, Jun 4
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
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
12a
1a
2a
3a
4a
5a
6a

Offset

The time difference between Hawaii Time and Argentina Time is 7 hours.

7 hours

Hawaii Time (HST) is behind Argentina Time (ART).

HST: UTC-10

ART: UTC-3

Neither Hawaii Time nor Argentina Time is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–10 AM in Hawaii Time (4 PM–5 PM in Argentina Time).

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

Suggested time: 9:00 AM Hawaii Time (4:00 PM Argentina 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.

United States

  • New Year's DayThu, Jan 1
  • Martin Luther King, Jr. DayMon, Jan 19
  • Presidents DayMon, Feb 16
  • Memorial DayMon, May 25
  • Juneteenth National Independence DayFri, Jun 19
  • Independence DayFri, Jul 3
  • Labour DayMon, Sep 7
  • Columbus DayMon, Oct 12
  • Veterans DayWed, Nov 11
  • Thanksgiving DayThu, Nov 26
  • 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

Hawaii Time is also known as HST. To call United States, dial +1.

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

Argentina Time is approximately 7,550 miles southeast of Hawaii Time.

Quick reference

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

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

Daylight saving time

Neither Hawaii Time nor Argentina Time observes daylight saving time. The offset between these zones remains constant year-round.

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

Daylight today

Hawaii Time
Sunrise
5:50 AM
Sunset
7:12 PM
Day length
13h 22m
Argentina Time
Sunrise
7:55 AM
Sunset
5:51 PM
Day length
9h 56m

Cities in these zones

Cities in Hawaii Time

Cities in Argentina Time

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Hawaii Time

  • HNL

Airports in Argentina Time

  • AEP
  • EZE

Related conversions

Common conversions

What is 9:00 am HST in ART?
9:00 am HST is 4:00 pm ART.
What is 12:00 pm HST in ART?
12:00 pm HST is 7:00 pm ART.
What is 12:30 pm HST in ART?
12:30 pm HST is 7:30 pm ART.
What is 2:00 pm HST in ART?
2:00 pm HST is 9:00 pm ART.
What is 5:00 pm HST in ART?
5:00 pm HST is 12:00 am ART, the next day.
What is 11:30 pm HST in ART?
11:30 pm HST is 6:30 am ART, the next day.