Indonesia to Buenos Aires
-10hIndonesia
WIBSOURCEBuenos Aires
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and ART on the World Map
The map below highlights the WIB (Western Indonesia Time) and ART (Argentina Time) timezone regions across the globe.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
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).
About Buenos Aires
WikipediaBuenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
The Teatro Colón is considered one of the best opera houses in the world for acoustics.
Comparing Time Zones: Indonesia and Buenos Aires
Indonesia runs on Western Indonesia Time (WIB) at UTC+07:00. Buenos Aires runs on Argentina Standard Time (ART) at UTC-03:00. That puts Indonesia 10 hours behind Buenos Aires — a difference of -10h at the current offsets.
In practice, when it is 9:00 AM in Indonesia it is 11:00 PM in Buenos Aires on the previous day. Midnight in Indonesia is 2:00 PM in Buenos Aires. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Indonesia to Buenos Aires time conversion table
| Indonesia (WIB) | Buenos Aires (ART) | Day |
|---|---|---|
| 12:00 AM | 2:00 PM | previous day |
| 6:00 AM | 8:00 PM | previous day |
| 7:00 AM | 9:00 PM | previous day |
| 8:00 AM | 10:00 PM | previous day |
| 9:00 AM | 11:00 PM | previous day |
| 12:00 PM | 2:00 AM | same day |
| 3:00 PM | 5:00 AM | same day |
| 5:00 PM | 7:00 AM | same day |
| 6:00 PM | 8:00 AM | same day |
| 9:00 PM | 11:00 AM | same day |
Why people convert Indonesia to Buenos Aires time
- Scheduling a call from Indonesia to Buenos Aires: a 10:00 AM start in Indonesia lands at 12:00 AM in Buenos Aires, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -10h gap: Indonesia and Buenos Aires 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 Buenos Aires is 11:00 PM in Indonesia.
- Keeping family and friends in sync: knowing that 8:00 PM in Indonesia is 10:00 AM in Buenos Aires makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -10h gap is not.
- With a -10h gap there is no shared 9-to-5 window, so alternate the early start: one week Indonesia takes the early slot, the next week Buenos Aires does.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
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.
Best time to call between Indonesia and Buenos Aires
With a -10h offset there is no overlap inside a normal 9 AM – 5 PM day. Buenos Aires opens at 9:00 AM ART, which is 11:00 PM in Indonesia, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Indonesia and Buenos Aires have no shared working hours because of the -10h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Indonesia is 10 hours behind Buenos Aires (WIB UTC+07:00 → ART UTC-03:00). 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 Indonesia and Buenos Aires?
Indonesia (WIB, UTC+07:00) is 10 hours behind Buenos Aires (ART, UTC-03:00). The gap is currently -10h.
How do I convert Indonesia time to Buenos Aires time?
Add -10h to Indonesia local time. For example, 9:00 AM in Indonesia is 11:00 PM in Buenos Aires (previous day).
What time is it in Buenos Aires right now?
Buenos Aires uses ART at UTC-03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -10h offset from Indonesia.
What is the best time to call Buenos Aires from Indonesia?
There is no shared working-hours window because of the -10h gap. The closest option is 1:00 PM in Indonesia, which is 3:00 AM in Buenos Aires.
Which is behind, Indonesia or Buenos Aires?
Indonesia is 10 hours behind Buenos Aires. When it is 12:00 PM in Indonesia it is 2:00 AM in Buenos Aires.
Do Indonesia and Buenos Aires use different time zones?
Indonesia (Indonesia) uses WIB at UTC+07:00, while Buenos Aires (Argentina) uses ART at UTC-03:00. The IANA identifiers are Asia/Jakarta and America/Buenos_Aires.
Does daylight saving time affect the Indonesia–Buenos Aires difference?
Neither zone observes daylight saving time, so the -10h offset between Indonesia and Buenos Aires is fixed all year.
Which other cities share Indonesia's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, Indonesia's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between Indonesia and Buenos Aires?
Not normally. The -10h gap only pushes the date over the previous day.
What is the time difference between Indonesia and Buenos Aires?
Buenos Aires is -10h from Indonesia.
What timezone is Indonesia in?
Indonesia operates on its local timezone.
What timezone is Buenos Aires in?
Buenos Aires operates on Argentina Time (ART), UTC-3. As South America's most European city, Buenos Aires coordinates with Brazilian markets in the same timezone.
What are the business hours in Buenos Aires?
Standard business hours in Buenos Aires are 9:00 AM - 6:00 PM ART.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
Which cities are in the ART timezone?
Major cities in the ART timezone include Buenos Aires, Córdoba, Rosario, Mendoza, La Plata, Tucumán.
What is the UTC offset for ART?
Argentina Time (ART) is at UTC-03:00.
What should I know about the ART timezone?
Argentina does not observe daylight saving time. Buenos Aires is one of the most visited cities in South America.
When is it midnight in Indonesia, what time is it in Buenos Aires?
When it is 12:00 AM (midnight) in Indonesia (WIB), it is -10h later in Buenos Aires (ART).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More Indonesia time conversions
- indonesia to jakarta
- indonesia to wib
- indonesia to new york
- indonesia to london
- indonesia to dubai
- indonesia to tokyo
- indonesia to singapore
- indonesia to sydney
- indonesia to los angeles
- indonesia to paris
- indonesia to delhi
- indonesia to mumbai
- indonesia to berlin
- indonesia to hong kong
- indonesia to toronto
- indonesia to kathmandu
- new york to indonesia
- london to indonesia
- dubai to indonesia
- tokyo to indonesia
- singapore to indonesia
- sydney to indonesia
- los angeles to indonesia
- paris to indonesia
- delhi to indonesia
- mumbai to indonesia
- berlin to indonesia
- hong kong to indonesia
- toronto to indonesia
- kathmandu to indonesia
See every conversion from Indonesia →·See every conversion from Buenos Aires →