Buenos Aires Time to JST Converter
JST is 12 hours ahead of ART. 9:00 AM ART = 9:00 PM JST.
JST is 12 hours ahead of ART. To convert Buenos Aires Time to JST, add 12 hours to the Buenos Aires Time time: 9:00 AM ART = 9:00 PM JST.
Buenos Aires Time (Buenos Aires time) is used in Buenos Aires, Argentina. JST (Japan Time) is used in Japan.
Buenos Aires Time to JST time conversion table
Buenos Aires Time to JST on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Buenos Aires Time | JST | Day |
|---|---|---|
| 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 | night |
| 11:00 AM ART | 11:00 PM JST | night |
| 12:00 PM ART | 12:00 AM JST | next day |
| 1:00 PM ART | 1:00 AM JST | next day |
| 2:00 PM ART | 2:00 AM JST | next day |
| 3:00 PM ART | 3:00 AM JST | next day |
| 4:00 PM ART | 4:00 AM JST | next day |
| 5:00 PM ART | 5:00 AM JST | next day |
| 6:00 PM ART | 6:00 AM JST | next day |
| 7:00 PM ART | 7:00 AM JST | next day |
| 8:00 PM ART | 8:00 AM JST | next day |
| 9:00 PM ART | 9:00 AM JST | next day |
| 10:00 PM ART | 10:00 AM JST | next day |
| 11:00 PM ART | 11:00 AM JST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Buenos Aires Time to JST
Add 12 hours to the Buenos Aires Time time to get JST.
Example: 9:00 AM ART = 9:00 PM JST.
Across midnight: 10:00 PM ART = 10:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between Buenos Aires Time and JST
The time difference between Buenos Aires Time and JST is 12 hours all year – JST is ahead of ART.
Buenos Aires Time and JST during daylight saving time
- Buenos Aires Time does not observe daylight saving time; it stays on UTC−3 all year.
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between Buenos Aires Time and JST
Buenos Aires Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM ART, which is 7:00 PM JST.
Buenos Aires Time to JST FAQ
What is the time difference between Buenos Aires Time and JST?
JST is 12 hours ahead of ART all year. 9:00 AM ART = 9:00 PM JST.
What is 9 AM Buenos Aires Time in JST?
9:00 AM ART is 9:00 PM JST.
What is 12 PM (noon) Buenos Aires Time in JST?
12:00 PM ART is 12:00 AM JST (next day).
Is JST ahead of or behind Buenos Aires Time?
JST is 12 hours ahead of ART, so it is later in JST than in Buenos Aires Time.
Does Buenos Aires Time change for daylight saving time?
No. Buenos Aires Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Buenos Aires Time and JST?
Buenos Aires Time and JST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM ART, which is 7:00 PM JST.
Related conversions
Convert JST to Buenos Aires Time
Convert Buenos Aires Time to other time zones
Convert other time zones to JST
Updated 6 November 2026. Time zone data: IANA tz database.