Current Local Time in Sydney
Sydney, Australia (GMT+10)
Saturday, April 25, 2026
Sydney follows Australian Eastern Time (AET). The city observes Daylight Saving Time, switching between AEST (UTC+10) and AEDT (UTC+11).
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⏰Time Zone Facts
Australia/SydneyData: IANA Time Zone Database
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Humid subtropical with warm summers (20-28°C) and mild winters (8-17°C). Bushfire risk in summer. Occasional storms.
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📍About Sydney Time Zone
Sydney Time Zone: AEST/AEDT and Australia's Reversed DST
Sydney operates on Australian Eastern Standard Time (AEST/UTC+10) during the southern hemisphere's winter months — April through October — and switches to Australian Eastern Daylight Time (AEDT/UTC+11) during summer from October through April. This DST cycle is the direct opposite of Northern Hemisphere countries: when London and New York are setting their clocks forward in March, Sydney is preparing to fall back in April. When European cities are on standard time in December, Sydney is on its summer daylight saving schedule. This reversed seasonality creates a notable scheduling effect: the Sydney-London gap is widest (11 hours) from October to late March, when both Sydney's AEDT and London's GMT are active simultaneously. It temporarily narrows when London shifts to BST in late March, then narrows again when Sydney drops back to AEST in April. During the brief window in late March to early April, the difference can be as little as 9 hours — the closest alignment of the calendar year for Sydney-London business scheduling. Sydney is Australia's largest city, with a metropolitan population of approximately 5.3 million. As the home of the Australian Securities Exchange (ASX), the Reserve Bank of Australia (RBA), and the headquarters of major banks including Commonwealth Bank, ANZ, NAB, Macquarie, and Westpac, Sydney functions as the country's financial engine. The ASX opens at 10:00 AM AEST/AEDT, making Sydney one of the first major global financial centers to open each trading day — ahead of Tokyo's 9:00 AM JST open only in terms of UTC sequence, since Tokyo is UTC+9 vs Sydney's UTC+10/+11.
Sydney Business Hub: ASX, Finance, and Asia-Pacific Coordination
Standard Sydney business hours run 9:00 AM to 5:00 PM AEST/AEDT Monday through Friday, with the CBD's finance district concentrated in the area around Martin Place, Barangaroo, and George Street. The Australian Securities Exchange (ASX) main session runs 10:00 AM to 4:00 PM daily, with an opening call auction from 10:00 AM and a closing single-price auction after 4:00 PM. Sydney is also home to the Sydney Futures Exchange, making it a comprehensive derivatives and equities hub. For Asia-Pacific coordination, Sydney's AEST/AEDT position is highly strategic. Tokyo (JST/UTC+9) is only 1 hour behind Sydney during AEST and 2 hours behind during AEDT, creating near-complete business day overlap — a Sydney 9-5 workday aligns with a Tokyo 8 AM to 4 PM or 7 AM to 3 PM window. Singapore (SGT/UTC+8) is 2 hours behind Sydney during AEST, giving a 7-hour overlap window from 9 AM Sydney time. This makes Sydney the de facto Asia-Pacific headquarters location for global financial firms wanting overlap with both Asian markets and — with some early morning effort — European markets. Major employers in the Sydney CBD include the four major banks (CBA, ANZ, Westpac, NAB), Macquarie Group, global law firms, and APAC headquarters of multinationals including Google, Amazon, and Microsoft. The Barangaroo precinct opened in 2020 has added significant Grade A office space, housing HSBC, KPMG, PwC, and others. Sydney Airport (SYD/Kingsford Smith) is Australia's busiest, connecting to approximately 40 international destinations and making Sydney the most accessible Australian city for time-sensitive in-person meetings.
Calling Sydney from London, New York, and Asia: Scheduling Guide
Sydney's position at UTC+10 or +11 makes it one of the most challenging cities to schedule calls with from Europe and the Americas — the gap almost always spans an overnight period for at least one party. From London (GMT/BST): Sydney is 10-11 hours ahead during GMT winter, or 9-10 hours ahead when London is on BST. The best window to call Sydney during business hours is 8:00 PM to 10:00 PM London time (GMT), reaching Sydney at 6:00 AM to 8:00 AM — technically before standard office hours but workable for early-bird executives. Alternatively, calling at 8:00 AM London time reaches Sydney at 6:00 PM to 7:00 PM, the end of the Sydney workday. For a true overlap of normal business hours, both parties must accept off-hours: this is why video calls between London and Sydney often happen at 7:00 AM–8:00 AM London time or 7:00 PM–9:00 PM Sydney time. From New York (EST/EDT): Sydney is 14-16 hours ahead depending on the season. Call between 6:00 PM and 9:00 PM New York time to reach Sydney between 8:00 AM and 11:00 AM the following day — the sweet spot for catching Sydney before lunch. The 16-hour gap (during Sydney AEDT + New York EST in November–March) is the widest, meaning a New York caller at 5:00 PM reaches Sydney at 9:00 AM the next morning. From Tokyo (JST): Tokyo is just 1-2 hours behind Sydney, making this the easiest major international pair. A Tokyo caller at 10:00 AM JST reaches Sydney at 11:00 AM or 12:00 PM AEST/AEDT. Full business day overlap is achievable without any party accepting unusual hours. This near-alignment is why Sydney and Tokyo regularly co-host Asia-Pacific financial conferences and why Sydney operations are often jointly managed with Tokyo regional offices.
Sydney Time Difference at a Glance
Quick Facts: Sydney Time
- Time Zone: Australian Eastern Standard Time / Australian Eastern Daylight Time (UTC+10 (Apr–Oct) / UTC+11 (Oct–Apr))
- Daylight Saving: Observed
- Country: Australia
- Coordinates: -33.87, 151.21
- Calling Code: +61 2
Last updated: March 2026 | ✓ Verified by WhatTime.city Editorial Team | Timezone data sourced from IANA Time Zone Database.
🌐Time Difference from Sydney
| City | Now | Diff | Overlap |
|---|---|---|---|
| 🌅Tokyo | 10:14 AM | -1h | |
| 🌅Singapore | 9:14 AM | -2h | |
| 🌅Hong Kong | 9:14 AM | -2h | |
| 🌆Los Angeles | 6:14 PM | -17h | |
| 🌙London | 2:14 AM | -9h | |
| 🌙New York | 9:14 PM | -14h | |
| 🌅Seoul | 10:14 AM | -1h | |
| ☀️Auckland | 1:14 PM | +2h |
❓Frequently Asked Questions
Sydney, Australia uses Australian Eastern Standard Time (AEST, UTC+10) in winter and Australian Eastern Daylight Time (AEDT, UTC+11) during Daylight Saving Time. The IANA identifier is Australia/Sydney. Sydney currently operates on either Australian Eastern Standard Time (AEST/UTC+10) or Australian Eastern Daylight Time (AEDT/UTC+11), depending on the time of year. Sydney observes daylight saving time from the first Sunday in October through the first Sunday in April — the opposite cycle to the Northern Hemisphere. Use the live clock above for the exact current Sydney time, which automatically reflects any active DST offset.
Sydney is in the Australian Eastern Time zone, using AEST (UTC+10) during the standard period from April to October, and AEDT (UTC+11) during daylight saving from October to April. This timezone covers New South Wales, Victoria, Queensland, Tasmania, and the ACT — though Queensland does not observe DST and stays on AEST year-round. Sydney is 10-11 hours ahead of London and 14-16 hours ahead of New York depending on season.
Yes, Sydney observes daylight saving time, but on a schedule that is the reverse of the Northern Hemisphere. Clocks move forward one hour on the first Sunday in October at 2:00 AM AEST (becoming 3:00 AM AEDT/UTC+11), and fall back on the first Sunday in April at 3:00 AM AEDT (becoming 2:00 AM AEST/UTC+10). This means Sydney is furthest ahead of London and New York during what feels like Sydney's summer — November through March — which is winter in Europe and North America.
Sydney is 10 hours ahead of London during AEST (April–October, when London is also on GMT) and 11 hours ahead during AEDT (October–April, when London is on GMT). When London switches to BST (British Summer Time/UTC+1) in late March, the gap briefly narrows to 9-10 hours for a few weeks until Sydney's DST ends in April. The practical overlap for business calls is very tight: an 8:00 AM London start corresponds to 6:00 PM or 7:00 PM in Sydney, the end of the Sydney workday.
Sydney is 14 or 15 hours ahead of New York, depending on which daylight saving rules are active. During Sydney's AEST period (April–October) when New York is on EDT, Sydney leads by 14 hours. When New York switches back to EST in November and Sydney enters AEDT, the gap temporarily reaches 16 hours. The most common stated difference is 15 hours. When it is 6:00 PM Wednesday in New York (EST), it is approximately 9:00 AM Thursday in Sydney (AEDT).
Sydney is 1 hour ahead of Tokyo during AEST (UTC+10) and 2 hours ahead during AEDT (UTC+11). Tokyo operates on Japan Standard Time (JST/UTC+9) year-round with no DST, so the gap fluctuates based solely on Sydney's seasonal clock change. This small difference makes Sydney-Tokyo the most overlap-friendly major international corridor in the region — a standard 9 AM–5 PM Tokyo workday corresponds to approximately 10 AM–6 PM (AEST) or 11 AM–7 PM (AEDT) in Sydney.
From New York, call Sydney between 6:00 PM and 9:00 PM Eastern time to reach Sydney the following morning between 8:00 AM and 11:00 AM (AEDT). Calling after 9:00 PM New York time still reaches Sydney business hours in the late morning through early afternoon. From Los Angeles (PST), calling 3:00 PM to 6:00 PM Pacific reaches Sydney 9:00 AM to noon the next day. For Sydney's afternoon business window (1:00 PM–5:00 PM AEDT), New York callers should dial between 10:00 PM and 2:00 AM EST.
The Australian Securities Exchange (ASX) opens its main trading session at 10:00 AM AEST/AEDT and closes at 4:00 PM AEST/AEDT on weekdays. Pre-opening trading begins at 7:00 AM and the matching session at 4:10 PM. Because Sydney operates on UTC+10 or UTC+11, the ASX opens before most other major markets in the same business day — earlier than Tokyo (which opens at 9:00 AM JST), and well before London, Frankfurt, and New York. This makes Sydney one of the first major financial centers to open each global trading day.
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