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AEST to Lisbon

-9h

AEST

AESTSOURCE
UTC+10:00DST observed
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Lisbon

WEST
Portugal · UTC+01:00☀ DST active
HH03
:
MM00
  
03:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
AEST
Lisbon
12:00 AM
3:00 PM-1
2:00 AM
5:00 PM-1
4:00 AM
7:00 PM-1
6:00 AM
9:00 PM-1
8:00 AM
11:00 PM-1
10:00 AM
1:00 AM
12:00 PM
3:00 AM
2:00 PM
5:00 AM
4:00 PM
7:00 AM
6:00 PM
9:00 AM
8:00 PM
11:00 AM
10:00 PM
1:00 PM

Green 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.

AESTWESTSydneyMelbourneBrisbaneCanberraLisbonPortoCasablancaLas Palmas
AEST Zone
→
WEST Zone

Explore all world timezones interactively →

AEST – Australian Eastern Standard Time

UTC+10:00

Australian Eastern Standard Time (AEST) covers eastern Australia, 10 hours ahead of UTC.

Countries in AEST
Australia (NSW, VIC, QLD, TAS, ACT)Papua New Guinea
Major Cities in AEST
SydneyMelbourneBrisbaneCanberraHobartGold Coast
Key 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.
  • •The Australian Securities Exchange (ASX) operates on AEST/AEDT.
  • •AEST is 15 hours ahead of EST during winter.
Daylight Saving:Yes – switches to AEDT
Learn more about AEST on Wikipedia

WET – Western European Time

UTC+00:00

Western European Time (WET) is the time zone for Portugal, Morocco, and the Canary Islands, same as UTC+00:00.

Countries in WET
PortugalSpain (Canary Islands)MoroccoWestern Sahara
Major Cities in WET
LisbonPortoCasablancaLas PalmasFunchalRabat
Key Facts about WET
  • •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.
Daylight Saving:Yes – switches to WEST
Learn more about WET on Wikipedia

About Lisbon

Wikipedia

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.

Population:545,000
Metro:2.9 million
Business Hours:9:00 AM - 6:00 PM WET
Currency:EUR (€)
Stock Exchange:Euronext Lisbon
Key Landmarks
Belém TowerJerónimos MonasterySão Jorge CastlePraça do ComércioAlfama District
Did You Know?

Lisbon has 300 days of sunshine per year and is a major startup hub in Europe.

Learn more about WEST timezone →

Time Conversion Guide: AEST to Lisbon

AEST 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 AEST 9 hours behind Lisbon — a difference of -9h at the current offsets.

In practice, when it is 9:00 AM in AEST it is 12:00 AM in Lisbon. Midnight in AEST is 3:00 PM in Lisbon.Lisbon observes daylight saving time while AEST does not, so the gap narrows or widens by an hour part of the year.

AEST to Lisbon time conversion table

AEST (AEST)Lisbon (WEST)Day
12:00 AM3:00 PMprevious day
6:00 AM9:00 PMprevious day
7:00 AM10:00 PMprevious day
8:00 AM11:00 PMprevious day
9:00 AM12:00 AMsame day
12:00 PM3:00 AMsame day
3:00 PM6:00 AMsame day
5:00 PM8:00 AMsame day
6:00 PM9:00 AMsame day
9:00 PM12:00 PMsame day

Why people convert AEST to Lisbon time

  • Scheduling a call from AEST to Lisbon: a 10:00 AM start in AEST lands at 1:00 AM in Lisbon, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a -9h gap: AEST 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 AEST.
  • Booking travel or deliveries: tracking Lisbon local time against AEST keeps pickup windows and arrival estimates honest across the -9h offset.
  • 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 AEST takes the early slot, the next week Lisbon does.
  • 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 AEST 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 AEST, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

AEST and Lisbon have no shared working hours because of the -9h gap. Teams need to alternate early starts or rely on asynchronous handovers.

AEST 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

AEST

❄ 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.

Frequently Asked Questions

What is the time difference between AEST and Lisbon?

AEST (AEST, UTC+10:00) is 9 hours behind Lisbon (WEST, UTC+01:00). The gap is currently -9h.

How do I convert AEST time to Lisbon time?

Add -9h to AEST local time. For example, 9:00 AM in AEST 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 AEST.

What is the best time to call Lisbon from AEST?

There is no shared working-hours window because of the -9h gap. The closest option is 1:00 PM in AEST, which is 4:00 AM in Lisbon.

Which is behind, AEST or Lisbon?

AEST is 9 hours behind Lisbon. When it is 12:00 PM in AEST it is 3:00 AM in Lisbon.

Do AEST and Lisbon use different time zones?

AEST 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 AEST–Lisbon difference?

Yes at the moment: Lisbon is on daylight saving time and AEST is not, so the -9h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share AEST's time zone?

AEST also covers Sydney, Melbourne, Brisbane, Canberra, Hobart, Gold Coast.

Which countries use AEST, AEST's zone?

AEST is used in Australia (NSW, VIC, QLD, TAS, ACT), Papua New Guinea.

Is there a day difference between AEST and Lisbon?

Not normally. The -9h gap only pushes the date over the previous day.

What is the time difference between AEST and Lisbon?

Lisbon is -9h from AEST.

What timezone is AEST in?

AEST operates on its local timezone.

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 Lisbon?

Standard business hours in Lisbon are 9:00 AM - 6:00 PM WET.

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 AEST, what time is it in Lisbon?

When it is 12:00 AM (midnight) in AEST (AEST), it is -9h later in Lisbon (WET).