Argentina to Tokyo
+12hArgentina
ARTSOURCETokyo
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
ART and JST on the World Map
The map below highlights the ART (Argentina Time) and JST (Japan Standard Time) timezone regions across the globe.
ART – Argentina Time
UTC-03:00Argentina Time (ART) is the standard time for Argentina, 3 hours behind UTC.
- •Argentina does not observe daylight saving time.
- •Buenos Aires is one of the most visited cities in South America.
- •ART is the same offset as BRT (UTC-03:00).
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
About Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
Argentina to Tokyo Time Difference – Complete Guide
Argentina runs on Argentina Standard Time (ART) at UTC-03:00. Tokyo runs on Japan Standard Time (JST) at UTC+09:00. That puts Argentina 12 hours ahead of Tokyo — a difference of +12h at the current offsets.
In practice, when it is 9:00 AM in Argentina it is 9:00 PM in Tokyo. Midnight in Argentina is 12:00 PM in Tokyo. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Argentina to Tokyo time conversion table
| Argentina (ART) | Tokyo (JST) | Day |
|---|---|---|
| 12:00 AM | 12:00 PM | same day |
| 6:00 AM | 6:00 PM | same day |
| 7:00 AM | 7:00 PM | same day |
| 8:00 AM | 8:00 PM | same day |
| 9:00 AM | 9:00 PM | same day |
| 12:00 PM | 12:00 AM | next day |
| 3:00 PM | 3:00 AM | next day |
| 5:00 PM | 5:00 AM | next day |
| 6:00 PM | 6:00 AM | next day |
| 9:00 PM | 9:00 AM | next day |
Why people convert Argentina to Tokyo time
- Scheduling a call from Argentina to Tokyo: a 10:00 AM start in Argentina lands at 10:00 PM in Tokyo, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +12h gap: Argentina and Tokyo have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Tokyo is 9:00 PM in Argentina.
- Keeping family and friends in sync: knowing that 8:00 PM in Argentina is 8:00 AM in Tokyo makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM ART" is unambiguous; "3 PM" across a +12h gap is not.
- With a +12h gap there is no shared 9-to-5 window, so alternate the early start: one week Argentina takes the early slot, the next week Tokyo does.
About ART (Argentina Time)
Argentina Time (ART) is the time zone used throughout Argentina. Argentina does not observe daylight saving time. ART shares the same offset as Brasilia Time (BRT) and Uruguay's UYT.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
Best time to call between Argentina and Tokyo
With a +12h offset there is no overlap inside a normal 9 AM – 5 PM day. Tokyo opens at 9:00 AM JST, which is 9:00 PM in Argentina, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Argentina and Tokyo have no shared working hours because of the +12h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Argentina is 12 hours ahead of Tokyo (ART UTC-03:00 → JST UTC+09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Argentina and Tokyo?
Argentina (ART, UTC-03:00) is 12 hours ahead of Tokyo (JST, UTC+09:00). The gap is currently +12h.
How do I convert Argentina time to Tokyo time?
Add +12h to Argentina local time. For example, 9:00 AM in Argentina is 9:00 PM in Tokyo.
What time is it in Tokyo right now?
Tokyo uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +12h offset from Argentina.
What is the best time to call Tokyo from Argentina?
There is no shared working-hours window because of the +12h gap. The closest option is 1:00 PM in Argentina, which is 1:00 AM in Tokyo.
Which is ahead, Argentina or Tokyo?
Argentina is 12 hours ahead of Tokyo. When it is 12:00 PM in Argentina it is 12:00 AM in Tokyo.
Do Argentina and Tokyo use different time zones?
Argentina (Argentina) uses ART at UTC-03:00, while Tokyo (Japan) uses JST at UTC+09:00. The IANA identifiers are America/Buenos_Aires and Asia/Tokyo.
Does daylight saving time affect the Argentina–Tokyo difference?
Neither zone observes daylight saving time, so the +12h offset between Argentina and Tokyo is fixed all year.
Which other cities share Argentina's time zone?
ART also covers Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
Which countries use ART, Argentina's zone?
ART is used in Argentina.
Is there a day difference between Argentina and Tokyo?
Sometimes. The +12h gap is large enough that 8:00 PM or later in Argentina already falls on the next day in Tokyo.
What is the time difference between Argentina and Tokyo?
Tokyo is +12h from Argentina.
What timezone is Argentina in?
Argentina operates on its local timezone.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
Which countries use ART (Argentina Time)?
ART is used in Argentina.
Does ART observe daylight saving time?
No, ART does not observe daylight saving time and remains at UTC-03:00 year-round.
What are some interesting facts about ART?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Argentina, what time is it in Tokyo?
When it is 12:00 AM (midnight) in Argentina (ART), it is +12h later in Tokyo (JST).
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