Sydney to Hong Kong
-2hSydney
AESTSOURCEHong Kong
HKTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and HKT on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and HKT (Hong Kong 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.
HKT – Hong Kong Time
UTC+08:00Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.
- •Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
- •HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
- •The Hong Kong Stock Exchange opens at 09:30 HKT.
- •Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.
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.
About Hong Kong
WikipediaHong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
The city has one of the world's most efficient and affordable public transit systems.
Sydney vs Hong Kong: Offsets, DST and Best Call Times
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. Hong Kong runs on Hong Kong Standard Time (HKT) at UTC+08:00. That puts Sydney 2 hours behind Hong Kong — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 7:00 AM in Hong Kong. Midnight in Sydney is 10:00 PM in Hong Kong. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sydney to Hong Kong time conversion table
| Sydney (AEST) | Hong Kong (HKT) | Day |
|---|---|---|
| 12:00 AM | 10:00 PM | previous day |
| 6:00 AM | 4:00 AM | same day |
| 7:00 AM | 5:00 AM | same day |
| 8:00 AM | 6:00 AM | same day |
| 9:00 AM | 7:00 AM | same day |
| 12:00 PM | 10:00 AM | same day |
| 3:00 PM | 1:00 PM | same day |
| 5:00 PM | 3:00 PM | same day |
| 6:00 PM | 4:00 PM | same day |
| 9:00 PM | 7:00 PM | same day |
Why people convert Sydney to Hong Kong time
- Scheduling a call from Sydney to Hong Kong: a 10:00 AM start in Sydney lands at 8:00 AM in Hong Kong, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Sydney and Hong Kong are inside the 9-to-5 working day between 11:00 AM and 5:00 PM AEST time (9:00 AM–3:00 PM HKT). That is roughly 6 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Sydney is 6:00 PM in Hong Kong makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM AEST" is unambiguous; "3 PM" across a -2h gap is not.
- Block 11:00 AM–5:00 PM AEST as the recurring meeting window if you work primarily from Sydney and need Hong Kong colleagues present.
- Sydney: Clocks spring forward on Sat, Oct 3, 2026. Re-check this page after that date because the offset changes and so does the -2h 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 HKT (Hong Kong Time)
Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.
Best time to call between Sydney and Hong Kong
Both Sydney and Hong Kong sit inside the 9 AM – 5 PM working day between 11:00 AM–5:00 PM AEST, which is 9:00 AM–3:00 PM HKT. That gives roughly 6 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Sydney and Hong Kong share 6 hours of working-hours overlap (11:00 AM–5:00 PM AEST), so scheduling a live meeting is straightforward.
Sydney is 2 hours behind Hong Kong (AEST UTC+10:00 → HKT UTC+08:00). The shared working window is 11:00 AM–5:00 PM AEST. 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
Hong Kong
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 Hong Kong?
Sydney (AEST, UTC+10:00) is 2 hours behind Hong Kong (HKT, UTC+08:00). The gap is currently -2h.
How do I convert Sydney time to Hong Kong time?
Add -2h to Sydney local time. For example, 9:00 AM in Sydney is 7:00 AM in Hong Kong.
What time is it in Hong Kong right now?
Hong Kong uses HKT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -2h offset from Sydney.
What is the best time to call Hong Kong from Sydney?
Call between 11:00 AM and 5:00 PM AEST — that maps to 9:00 AM–3:00 PM HKT and keeps both parties inside the working day.
Which is behind, Sydney or Hong Kong?
Sydney is 2 hours behind Hong Kong. When it is 12:00 PM in Sydney it is 10:00 AM in Hong Kong.
Do Sydney and Hong Kong use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while Hong Kong (Hong Kong) uses HKT at UTC+08:00. The IANA identifiers are Australia/Sydney and Asia/Hong_Kong.
Does daylight saving time affect the Sydney–Hong Kong difference?
Neither zone observes daylight saving time, so the -2h offset between Sydney and Hong Kong 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 Hong Kong?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Sydney and Hong Kong?
Hong Kong is -2h 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 Hong Kong in?
Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.
What are the business hours in Sydney?
Standard business hours in Sydney are 9:00 AM - 5:00 PM AEST.
What are the business hours in Hong Kong?
Standard business hours in Hong Kong are 9:00 AM - 6:00 PM HKT.
What is the best time to schedule a call between Sydney and Hong Kong?
The best overlap for a call is when both cities are in business hours. Sydney works 9:00 AM - 5:00 PM AEST and Hong Kong works 9:00 AM - 6:00 PM HKT (-2h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Sydney and Hong Kong?
Sydney uses AUD (A$) while Hong Kong uses HKD (HK$). Check current exchange rates when planning travel or business between these cities.
How do Sydney and Hong Kong compare in size?
Sydney has a population of approximately 5.4 million (metro: 5.4 million), while Hong Kong has approximately 7.5 million (metro: 7.5 million).
What are the major landmarks in Sydney and Hong Kong?
Sydney is known for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach. Hong Kong is famous for Victoria Peak, Tian Tan Buddha, Victoria Harbour.
Do Sydney and Hong Kong have stock exchanges?
Yes. Sydney has the ASX (Australian Securities Exchange) and Hong Kong has the HKEX (Hong Kong Stock Exchange). The -2h time difference affects trading hour overlaps between these exchanges.
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 HKT timezone?
Major cities in the HKT timezone include Hong Kong, Kowloon, Tsuen Wan, Sha Tin.
What is the UTC offset for HKT?
Hong Kong Time (HKT) is at UTC+08:00.
What should I know about the HKT timezone?
Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
When is it midnight in Sydney, what time is it in Hong Kong?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -2h later in Hong Kong (HKT).
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