Sydney to AKST
-19hSydney
AESTSOURCEAKST
AKSTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and AKST on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and AKST (Alaska Standard 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.
AKST – Alaska Standard Time
UTC-09:00Alaska Standard Time (AKST) is the time zone for the state of Alaska, 9 hours behind UTC.
- •Alaska is the largest US state by area but has only about 730,000 residents.
- •Anchorage is the most populous city in AKST with about 290,000 people.
- •The Aleutian Islands use HAST instead of AKST.
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 AKST Time
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. AKST runs on Alaska Standard Time (AKST) at UTC-09:00. That puts Sydney 19 hours behind AKST — a difference of -19h at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 2:00 PM in AKST on the previous day. Midnight in Sydney is 5:00 AM in AKST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Sydney to AKST time conversion table
| Sydney (AEST) | AKST (AKST) | Day |
|---|---|---|
| 12:00 AM | 5:00 AM | previous day |
| 6:00 AM | 11:00 AM | previous day |
| 7:00 AM | 12:00 PM | previous day |
| 8:00 AM | 1:00 PM | previous day |
| 9:00 AM | 2:00 PM | previous day |
| 12:00 PM | 5:00 PM | previous day |
| 3:00 PM | 8:00 PM | previous day |
| 5:00 PM | 10:00 PM | previous day |
| 6:00 PM | 11:00 PM | previous day |
| 9:00 PM | 2:00 AM | same day |
Why people convert Sydney to AKST time
- Scheduling a call from Sydney to AKST: a 10:00 AM start in Sydney lands at 3:00 PM in AKST the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -19h gap: Sydney and AKST 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 AKST is 2:00 PM in Sydney.
- Keeping family and friends in sync: knowing that 8:00 PM in Sydney is 1:00 AM in AKST 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 -19h gap is not.
- With a -19h gap there is no shared 9-to-5 window, so alternate the early start: one week Sydney takes the early slot, the next week AKST 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 -19h 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 AKST (Alaska Standard Time)
Alaska Standard Time (AKST) is used in nearly all of Alaska. Due to Alaska's vast geographic size, the Aleutian Islands use Hawaii-Aleutian Standard Time instead. During summer months, Alaska switches to Alaska Daylight Time (AKDT, UTC-08:00).
Best time to call between Sydney and AKST
With a -19h offset there is no overlap inside a normal 9 AM – 5 PM day. AKST opens at 9:00 AM AKST, which is 2:00 PM in Sydney, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Sydney and AKST have no shared working hours because of the -19h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Sydney is 19 hours behind AKST (AEST UTC+10:00 → AKST UTC-09:00). 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
AKST
☀ Currently in DST
Standard: UTC-09:00 · DST: UTC-08:00
Clocks fall back on Sun, Nov 1, 2026
⚠ These locations are currently in different DST states, so the time difference may change when clocks adjust.
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 AKST?
Sydney (AEST, UTC+10:00) is 19 hours behind AKST (AKST, UTC-09:00). The gap is currently -19h.
How do I convert Sydney time to AKST time?
Add -19h to Sydney local time. For example, 9:00 AM in Sydney is 2:00 PM in AKST (previous day).
What time is it in AKST right now?
AKST uses AKST at UTC-09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -19h offset from Sydney.
What is the best time to call AKST from Sydney?
There is no shared working-hours window because of the -19h gap. The closest option is 1:00 PM in Sydney, which is 6:00 PM in AKST.
Which is behind, Sydney or AKST?
Sydney is 19 hours behind AKST. When it is 12:00 PM in Sydney it is 5:00 PM in AKST.
Do Sydney and AKST use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while AKST uses AKST at UTC-09:00. The IANA identifiers are Australia/Sydney and America/Anchorage.
Does daylight saving time affect the Sydney–AKST difference?
Neither zone observes daylight saving time, so the -19h offset between Sydney and AKST 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 AKST?
Sometimes. The -19h gap is large enough that 8:00 PM or later in Sydney already falls on the in AKST.
What is the time difference between Sydney and AKST?
AKST is -19h 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 AKST in?
AKST 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 AKST timezone?
Major cities in the AKST timezone include Anchorage, Fairbanks, Juneau, Sitka, Wasilla.
What is the UTC offset for AKST?
Alaska Standard Time (AKST) is at UTC-09:00. During daylight saving time, it shifts to AKDT.
What should I know about the AKST timezone?
Alaska is the largest US state by area but has only about 730,000 residents. Anchorage is the most populous city in AKST with about 290,000 people.
When is it midnight in Sydney, what time is it in AKST?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -19h later in AKST (AKST).
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