Sydney to ART
-13hSydney
AESTSOURCEART
ARTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and ART on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and ART (Argentina Time) timezone regions across the globe.
AEST – Australian Eastern Standard Time
UTC+10:00Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.
- •Queensland does not observe daylight saving time, staying on AEST year-round.
- •Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
- •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
- •AEST is 15 hours ahead of EST during winter.
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 Sydney
WikipediaSydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
Sydney is one of the first major cities to welcome the New Year.
Everything You Need to Know About Sydney and ART Time
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. ART runs on Argentina Time (ART) at UTC-03:00. That puts Sydney 13 hours behind ART — a difference of -13h at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 8:00 PM in ART on the previous day. Midnight in Sydney is 11:00 AM in ART. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sydney to ART time conversion table
| Sydney (AEST) | ART (ART) | Day |
|---|---|---|
| 12:00 AM | 11:00 AM | previous day |
| 6:00 AM | 5:00 PM | previous day |
| 7:00 AM | 6:00 PM | previous day |
| 8:00 AM | 7:00 PM | previous day |
| 9:00 AM | 8:00 PM | previous day |
| 12:00 PM | 11:00 PM | previous day |
| 3:00 PM | 2:00 AM | same day |
| 5:00 PM | 4:00 AM | same day |
| 6:00 PM | 5:00 AM | same day |
| 9:00 PM | 8:00 AM | same day |
Why people convert Sydney to ART time
- Scheduling a call from Sydney to ART: a 10:00 AM start in Sydney lands at 9:00 PM in ART the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -13h gap: Sydney and ART 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 ART is 8:00 PM in Sydney.
- Watching a live event or market open: Sydney viewers need 8:00 PM in ART to catch a 9:00 AM start there, and 1:00 PM if the event is anchored to Sydney.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEST" is unambiguous; "3 PM" across a -13h gap is not.
- With a -13h gap there is no shared 9-to-5 window, so alternate the early start: one week Sydney takes the early slot, the next week ART does.
- Sydney: Clocks spring forward on Sat, Oct 3, 2026. Re-check this page after that date because the offset changes and so does the -13h gap.
About AEST (Australian Eastern Standard Time)
Australian Eastern Standard Time (AEST) is used in the eastern states of Australia including New South Wales, Victoria, Queensland, Tasmania, and the ACT. During summer (October to April), NSW, VIC, TAS, and ACT switch to Australian Eastern Daylight Time (AEDT, UTC+11:00), while Queensland remains on AEST year-round.
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 Sydney and ART
With a -13h offset there is no overlap inside a normal 9 AM – 5 PM day. ART opens at 9:00 AM ART, which is 8:00 PM in Sydney, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Sydney and ART have no shared working hours because of the -13h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Sydney is 13 hours behind ART (AEST UTC+10:00 → 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.
🕐 Daylight Saving Time Info
Sydney
❄ Currently in Standard Time
Standard: UTC+10:00 · DST: UTC+11:00
Clocks spring forward on Sat, Oct 3, 2026
ART
Does not observe DST
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 Sydney and ART?
Sydney (AEST, UTC+10:00) is 13 hours behind ART (ART, UTC-03:00). The gap is currently -13h.
How do I convert Sydney time to ART time?
Add -13h to Sydney local time. For example, 9:00 AM in Sydney is 8:00 PM in ART (previous day).
What time is it in ART right now?
ART 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 -13h offset from Sydney.
What is the best time to call ART from Sydney?
There is no shared working-hours window because of the -13h gap. The closest option is 1:00 PM in Sydney, which is 12:00 AM in ART.
Which is behind, Sydney or ART?
Sydney is 13 hours behind ART. When it is 12:00 PM in Sydney it is 11:00 PM in ART.
Do Sydney and ART use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while ART uses ART at UTC-03:00. The IANA identifiers are Australia/Sydney and America/Buenos_Aires.
Does daylight saving time affect the Sydney–ART difference?
Neither zone observes daylight saving time, so the -13h offset between Sydney and ART is fixed all year.
Which other cities share Sydney's time zone?
AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.
Which countries use AEST, Sydney's zone?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Is there a day difference between Sydney and ART?
Sometimes. The -13h gap is large enough that 8:00 PM or later in Sydney already falls on the in ART.
What is the time difference between Sydney and ART?
ART is -13h from Sydney.
What timezone is Sydney in?
Sydney operates on Australian Eastern Standard Time (AEST/AEDT). As Australia's financial capital, Sydney opens global markets at the start of the business day.
What timezone is ART in?
ART operates on its local timezone.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
Which countries use AEST (Australian Eastern Standard Time)?
AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.
Does AEST observe daylight saving time?
Yes, AEST switches to AEDT during summer months.
What are some interesting facts about AEST?
Queensland does not observe daylight saving time, staying on AEST year-round. Sydney and Melbourne switch to AEDT (UTC+11:00) in summer.
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 Sydney, what time is it in ART?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -13h later in ART (ART).
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