Sydney to HKT
-2hSydney
AESTSOURCEHKT
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.
Comparing Time Zones: Sydney and HKT
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. HKT runs on Hong Kong Time (HKT) at UTC+08:00. That puts Sydney 2 hours behind HKT — a difference of -2h at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 7:00 AM in HKT. Midnight in Sydney is 10:00 PM in HKT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sydney to HKT time conversion table
| Sydney (AEST) | HKT (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 HKT time
- Scheduling a call from Sydney to HKT: a 10:00 AM start in Sydney lands at 8:00 AM in HKT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Sydney and HKT 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.
- Coordinating a Sydney-based team with HKT contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
- 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 HKT 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 HKT
Both Sydney and HKT 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 HKT 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 HKT (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
HKT
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 HKT?
Sydney (AEST, UTC+10:00) is 2 hours behind HKT (HKT, UTC+08:00). The gap is currently -2h.
How do I convert Sydney time to HKT time?
Add -2h to Sydney local time. For example, 9:00 AM in Sydney is 7:00 AM in HKT.
What time is it in HKT right now?
HKT 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 HKT 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 HKT?
Sydney is 2 hours behind HKT. When it is 12:00 PM in Sydney it is 10:00 AM in HKT.
Do Sydney and HKT use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while HKT uses HKT at UTC+08:00. The IANA identifiers are Australia/Sydney and Asia/Hong_Kong.
Does daylight saving time affect the Sydney–HKT difference?
Neither zone observes daylight saving time, so the -2h offset between Sydney and HKT 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 HKT?
Not normally. The -2h gap only pushes the date over the previous day.
What is the time difference between Sydney and HKT?
HKT 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 HKT in?
HKT 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 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 HKT?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -2h later in HKT (HKT).
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