What is ART in JST?
Japan Standard Time is 12 hours ahead
Argentina Time is on UTC−3:00 and Japan Standard Time is on UTC+9:00 right now. That gap holds all year, because both zones change their clocks together.
- Time in Buenos Aires
- 9:04:02 AM
- Time in Tokyo
- 9:04:02 PM
- Difference
- +12 h
- Next clock change
- Neither zone
Convert a time
JST — Japan Standard Time
9:00 pm
JST, Fri
Daylight saving
Argentina Time
Argentina Time stays on ART all year, so its offset from UTC never moves.
Japan Standard Time
Japan Standard Time stays on JST all year, so its offset from UTC never moves.
ART to JST conversion table
Every hour of Friday, September 25, 2026, converted from Argentina Time to Japan Standard Time. 12 of the 24 hours fall on a different calendar day in Tokyo, which is marked.
- 12:00 am ART
- 12:00 pm JST
- 1:00 am ART
- 1:00 pm JST
- 2:00 am ART
- 2:00 pm JST
- 3:00 am ART
- 3:00 pm JST
- 4:00 am ART
- 4:00 pm JST
- 5:00 am ART
- 5:00 pm JST
- 6:00 am ART
- 6:00 pm JST
- 7:00 am ART
- 7:00 pm JST
- 8:00 am ART
- 8:00 pm JST
- 9:00 am ART
- 9:00 pm JST
- 10:00 am ART
- 10:00 pm JST
- 11:00 am ART
- 11:00 pm JST
- 12:00 pm ART
- 12:00 am JST+1 day
- 1:00 pm ART
- 1:00 am JST+1 day
- 2:00 pm ART
- 2:00 am JST+1 day
- 3:00 pm ART
- 3:00 am JST+1 day
- 4:00 pm ART
- 4:00 am JST+1 day
- 5:00 pm ART
- 5:00 am JST+1 day
- 6:00 pm ART
- 6:00 am JST+1 day
- 7:00 pm ART
- 7:00 am JST+1 day
- 8:00 pm ART
- 8:00 am JST+1 day
- 9:00 pm ART
- 9:00 am JST+1 day
- 10:00 pm ART
- 10:00 am JST+1 day
- 11:00 pm ART
- 11:00 am JST+1 day
Scheduling between the two
There is no overlap between a nine-to-six working day in Buenos Aires and one in Tokyo — the gap is too wide. A call has to sit early or late for one side. Early morning in Buenos Aires is the usual compromise, since that is late afternoon or evening in Tokyo.
Other conversions
- JST to ART
- ART to UTC
- ART to GMT
- ART to EST
- ART to CST
- ART to MST
- ART to PST
- ART to AKST
- ART to HST
- ART to BST
- ART to CET
- ART to IST
- ART to CST (China)
- ART to AEST
- ART to AST
- ART to Mexico City
- ART to BRT
- ART to EET
- ART to WET
- ART to MSK
- ART to TRT
- ART to SAST
- ART to WAT
- ART to EAT
- ART to GST
- ART to PKT
- ART to ICT
- ART to WIB
- ART to SGT
- ART to HKT
- ART to KST
- ART to PHT
- ART to AWST
- ART to ACST
- ART to NZST
- All zones