What is JST in ART?
Argentina Time is 12 hours behind
Japan Standard Time is on UTC+9:00 and Argentina Time is on UTC−3:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Tokyo
- 9:03:51 PM
- Time in Buenos Aires
- 9:03:51 AM
- Difference
- −12 h
- Next clock change
- Neither zone
Convert a time
ART — Argentina Time
9:00 am
ART, Fri
Daylight saving
Japan Standard Time
Japan Standard Time stays on JST 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.
JST to ART conversion table
Every hour of Friday, September 25, 2026, converted from Japan Standard Time to Argentina Time. 12 of the 24 hours fall on a different calendar day in Buenos Aires, which is marked.
- 12:00 am JST
- 12:00 pm ART−1 day
- 1:00 am JST
- 1:00 pm ART−1 day
- 2:00 am JST
- 2:00 pm ART−1 day
- 3:00 am JST
- 3:00 pm ART−1 day
- 4:00 am JST
- 4:00 pm ART−1 day
- 5:00 am JST
- 5:00 pm ART−1 day
- 6:00 am JST
- 6:00 pm ART−1 day
- 7:00 am JST
- 7:00 pm ART−1 day
- 8:00 am JST
- 8:00 pm ART−1 day
- 9:00 am JST
- 9:00 pm ART−1 day
- 10:00 am JST
- 10:00 pm ART−1 day
- 11:00 am JST
- 11:00 pm ART−1 day
- 12:00 pm JST
- 12:00 am ART
- 1:00 pm JST
- 1:00 am ART
- 2:00 pm JST
- 2:00 am ART
- 3:00 pm JST
- 3:00 am ART
- 4:00 pm JST
- 4:00 am ART
- 5:00 pm JST
- 5:00 am ART
- 6:00 pm JST
- 6:00 am ART
- 7:00 pm JST
- 7:00 am ART
- 8:00 pm JST
- 8:00 am ART
- 9:00 pm JST
- 9:00 am ART
- 10:00 pm JST
- 10:00 am ART
- 11:00 pm JST
- 11:00 am ART
Scheduling between the two
There is no overlap between a nine-to-six working day in Tokyo and one in Buenos Aires — the gap is too wide. A call has to sit early or late for one side. Early morning in Tokyo is the usual compromise, since that is late afternoon or evening in Buenos Aires.
Other conversions
- ART to JST
- JST to UTC
- JST to GMT
- JST to EST
- JST to CST
- JST to MST
- JST to PST
- JST to AKST
- JST to HST
- JST to BST
- JST to CET
- JST to IST
- JST to CST (China)
- JST to AEST
- JST to AST
- JST to Mexico City
- JST to BRT
- JST to EET
- JST to WET
- JST to MSK
- JST to TRT
- JST to SAST
- JST to WAT
- JST to EAT
- JST to GST
- JST to PKT
- JST to ICT
- JST to WIB
- JST to SGT
- JST to HKT
- JST to KST
- JST to PHT
- JST to AWST
- JST to ACST
- JST to NZST
- All zones