Sydney to Lisbon
-9hSydney
AESTSOURCELisbon
WESTGreen rows indicate typical business hours (9 AM - 5 PM)
AEST and WEST on the World Map
The map below highlights the AEST (Australian Eastern Standard Time) and WEST (Western European 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.
WET – Western European Time
UTC+00:00Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.
- •Portugal is the only mainland European country in the WET time zone.
- •The Canary Islands are on WET despite being part of Spain (which uses CET).
- •WET is identical to GMT and UTC+00:00.
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.
About Lisbon
WikipediaLisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
Lisbon has 300 days of sunshine per year and is a major startup hub in Europe.
Everything You Need to Know About Sydney and Lisbon Time
Sydney runs on Australian Eastern Standard Time (AEST) at UTC+10:00. Lisbon runs on Western European Summer Time (WEST) at UTC+01:00, also currently on daylight saving time. That puts Sydney 9 hours behind Lisbon — a difference of -9h at the current offsets.
In practice, when it is 9:00 AM in Sydney it is 12:00 AM in Lisbon. Midnight in Sydney is 3:00 PM in Lisbon.Lisbon observes daylight saving time while Sydney does not, so the gap narrows or widens by an hour part of the year.
Sydney to Lisbon time conversion table
| Sydney (AEST) | Lisbon (WEST) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | previous day |
| 6:00 AM | 9:00 PM | previous day |
| 7:00 AM | 10:00 PM | previous day |
| 8:00 AM | 11:00 PM | previous day |
| 9:00 AM | 12:00 AM | same day |
| 12:00 PM | 3:00 AM | same day |
| 3:00 PM | 6:00 AM | same day |
| 5:00 PM | 8:00 AM | same day |
| 6:00 PM | 9:00 AM | same day |
| 9:00 PM | 12:00 PM | same day |
Why people convert Sydney to Lisbon time
- Scheduling a call from Sydney to Lisbon: a 10:00 AM start in Sydney lands at 1:00 AM in Lisbon, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -9h gap: Sydney and Lisbon 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 Lisbon is 12:00 AM in Sydney.
- Coordinating a Sydney-based team with Lisbon 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 -9h gap is not.
- With a -9h gap there is no shared 9-to-5 window, so alternate the early start: one week Sydney takes the early slot, the next week Lisbon 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 -9h gap.
- Lisbon: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
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 WET (Western European Time)
Western European Time (WET) is used in Portugal, the Canary Islands (Spain), Morocco, and several other locations. It is equivalent to GMT/UTC. During summer, Portugal and the Canary Islands switch to WEST (Western European Summer Time, UTC+01:00).
Best time to call between Sydney and Lisbon
With a -9h offset there is no overlap inside a normal 9 AM – 5 PM day. Lisbon opens at 9:00 AM WEST, which is 12:00 AM in Sydney, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
Sydney and Lisbon have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.
Sydney is 9 hours behind Lisbon (AEST UTC+10:00 → WEST UTC+01:00). 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
Lisbon
☀ Currently in DST
Standard: UTC+00:00 · DST: UTC+01:00
Clocks fall back on Sun, Oct 25, 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 Lisbon?
Sydney (AEST, UTC+10:00) is 9 hours behind Lisbon (WEST, UTC+01:00). The gap is currently -9h.
How do I convert Sydney time to Lisbon time?
Add -9h to Sydney local time. For example, 9:00 AM in Sydney is 12:00 AM in Lisbon.
What time is it in Lisbon right now?
Lisbon uses WEST at UTC+01:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -9h offset from Sydney.
What is the best time to call Lisbon from Sydney?
There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in Sydney, which is 4:00 AM in Lisbon.
Which is behind, Sydney or Lisbon?
Sydney is 9 hours behind Lisbon. When it is 12:00 PM in Sydney it is 3:00 AM in Lisbon.
Do Sydney and Lisbon use different time zones?
Sydney (Australia) uses AEST at UTC+10:00, while Lisbon (Portugal) uses WEST at UTC+01:00. The IANA identifiers are Australia/Sydney and Europe/Lisbon.
Does daylight saving time affect the Sydney–Lisbon difference?
Yes at the moment: Lisbon is on daylight saving time and Sydney is not, so the -9h gap shifts by an hour when exactly one of them changes clocks.
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 Lisbon?
Not normally. The -9h gap only pushes the date over the previous day.
What is the time difference between Sydney and Lisbon?
Lisbon is -9h 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 Lisbon in?
Lisbon operates on Western European Time (WET/WEST), same as London. As Portugal's capital and an emerging tech hub, Lisbon bridges European and Atlantic time zones.
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 Lisbon?
Standard business hours in Lisbon are 9:00 AM - 6:00 PM WET.
What is the best time to schedule a call between Sydney and Lisbon?
The best overlap for a call is when both cities are in business hours. Sydney works 9:00 AM - 5:00 PM AEST and Lisbon works 9:00 AM - 6:00 PM WET (-9h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Sydney and Lisbon?
Sydney uses AUD (A$) while Lisbon uses EUR (€). Check current exchange rates when planning travel or business between these cities.
How do Sydney and Lisbon compare in size?
Sydney has a population of approximately 5.4 million (metro: 5.4 million), while Lisbon has approximately 545,000 (metro: 2.9 million).
What are the major landmarks in Sydney and Lisbon?
Sydney is known for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach. Lisbon is famous for Belém Tower, Jerónimos Monastery, São Jorge Castle.
Do Sydney and Lisbon have stock exchanges?
Yes. Sydney has the ASX (Australian Securities Exchange) and Lisbon has the Euronext Lisbon. The -9h 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 WET timezone?
Major cities in the WET timezone include Lisbon, Porto, Casablanca, Las Palmas, Funchal, Rabat.
What is the UTC offset for WET?
Western European Time (WET) is at UTC+00:00. During daylight saving time, it shifts to WEST.
What should I know about the WET timezone?
Portugal is the only mainland European country in the WET time zone. The Canary Islands are on WET despite being part of Spain (which uses CET).
When is it midnight in Sydney, what time is it in Lisbon?
When it is 12:00 AM (midnight) in Sydney (AEST), it is -9h later in Lisbon (WET).
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