What is HST in ART?
Argentina Time is 7 hours ahead
Hawaii Standard Time is on UTC−10:00 and Argentina Time is on UTC−3:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Honolulu
- 4:56 pm
- Time in Buenos Aires
- 11:56 pm
- Difference
- +7 h
- Next clock change
- Neither zone
Convert a time
ART — Argentina Time
11:00 pm
Tue
Daylight saving
Hawaii Standard Time
Hawaii Standard Time stays on HST all year, so its offset from UTC never moves.
Argentina Time
Argentina Time stays on ART all year, so its offset from UTC never moves.
HST to ART conversion table
Every hour of Tuesday, September 22, 2026, converted from Hawaii Standard Time to Argentina Time. 7 of the 24 hours fall on a different calendar day in Buenos Aires, which is marked.
- 12:00 am HST
- 7:00 am ART
- 1:00 am HST
- 8:00 am ART
- 2:00 am HST
- 9:00 am ART
- 3:00 am HST
- 10:00 am ART
- 4:00 am HST
- 11:00 am ART
- 5:00 am HST
- 12:00 pm ART
- 6:00 am HST
- 1:00 pm ART
- 7:00 am HST
- 2:00 pm ART
- 8:00 am HST
- 3:00 pm ART
- 9:00 am HST
- 4:00 pm ART
- 10:00 am HST
- 5:00 pm ART
- 11:00 am HST
- 6:00 pm ART
- 12:00 pm HST
- 7:00 pm ART
- 1:00 pm HST
- 8:00 pm ART
- 2:00 pm HST
- 9:00 pm ART
- 3:00 pm HST
- 10:00 pm ART
- 4:00 pm HST
- 11:00 pm ART
- 5:00 pm HST
- 12:00 am ART+1 day
- 6:00 pm HST
- 1:00 am ART+1 day
- 7:00 pm HST
- 2:00 am ART+1 day
- 8:00 pm HST
- 3:00 am ART+1 day
- 9:00 pm HST
- 4:00 am ART+1 day
- 10:00 pm HST
- 5:00 am ART+1 day
- 11:00 pm HST
- 6:00 am ART+1 day
Scheduling between the two
Working hours overlap from 9:00 am to 11:00 am HST, which is 4:00 pm to 6:00 pm ART. Anything inside that window falls in the normal working day at both ends.
Hawaii Standard Time (HST) is used in all of Hawaii, which does not observe daylight saving