What is the time difference between Sydney and Lisbon?

Lisbon is 9 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Lisbon from Sydney?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does Sydney observe daylight saving time?

Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.

Does Lisbon observe daylight saving time?

Yes. Lisbon runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.

If it is midday in Sydney, what time is it in Lisbon?

It is 03:00 in Lisbon, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do Sydney and Lisbon use?

Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Lisbon uses Europe/Lisbon, currently UTC+1 (WEST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert Sydney time to Lisbon time

Right now Lisbon runs 9 hours behind Sydney. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

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The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for Sydney, across for Lisbon.

Sydney	Lisbon
00:00	15:00previous day
01:00	16:00previous day
02:00	17:00previous day
03:00	18:00previous day
04:00	19:00previous day
05:00	20:00previous day
06:00	21:00previous day
07:00	22:00previous day
08:00	23:00previous day
09:00	00:00
10:00	01:00
11:00	02:00
12:00	03:00
13:00	04:00
14:00	05:00
15:00	06:00
16:00	07:00
17:00	08:00
18:00	09:00
19:00	10:00
20:00	11:00
21:00	12:00
22:00	13:00
23:00	14:00

Daylight saving time

Sydney and Lisbon both observe daylight saving. Where their change dates differ, so does the gap between them for the weeks in between.

Sydney

Observes daylight saving time

Standard: UTC+10
Daylight: UTC+11
Next change: 2026-10-04 +60m

Lisbon

Observes daylight saving time

Standard: UTC+0
Daylight: UTC+1
Next change: 2026-10-25 −60m

When you can actually talk

A standard working day in Sydney and one in Lisbon do not overlap at all. Any call between them is early for one side or late for the other.

Sydney 10:00–03:00Lisbon 01:00–18:00
Sydney 09:00–10:00Lisbon 00:00–01:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	Sydney	Lisbon
IANA zone	Australia/Sydney	Europe/Lisbon
Abbreviation	AEST	WEST
Standard offset	UTC+10	UTC+0
Daylight offset	UTC+11	UTC+1
Clock changes this year	2	2
Country	Australia	Portugal

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between Sydney and Lisbon?: Lisbon is 9 hours behind Sydney. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Lisbon from Sydney?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does Sydney observe daylight saving time?: Yes. Sydney runs on UTC+10 in winter and UTC+11 in summer. The next change is on 2026-10-04, when clocks go forward by 60 minutes.
Does Lisbon observe daylight saving time?: Yes. Lisbon runs on UTC+0 in winter and UTC+1 in summer. The next change is on 2026-10-25, when clocks go back by 60 minutes.
If it is midday in Sydney, what time is it in Lisbon?: It is 03:00 in Lisbon, on the same calendar date. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do Sydney and Lisbon use?: Sydney uses Australia/Sydney, currently UTC+10 (AEST), and Lisbon uses Europe/Lisbon, currently UTC+1 (WEST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.