TIME ZONE CONVERTER

London to Adelaide
Time Converter

Convert London, United Kingdom to Adelaide, Australia. Compare dates, seasonal differences and meeting hours.

THE QUICK ANSWER

London is 8h 30m, 9h 30m, or 10h 30m behind Adelaide in 2026, depending on the date.

9 AM London = 7:30 PM Adelaide

Selected date: November 10, 2026.

TIME & DATE
GBFROMUTC

United Kingdom · GMT

Tue, 10 Nov
AUTOUTC+10:30

Australia · ACDT

7:30PM
Tue, 10 Nov
Adelaide is 10h 30m ahead of London.
Find your moment
Working hoursOutside hours
LondonYour reference
AdelaideConverted time
Tap an hour to explore · November 10, 2026Dates follow London
Add to calendar
THE TIME DIFFERENCE10h 30mahead

Adelaide compared with London.

SHARED WORKING HOURS0h2026-11-10

Adjust your working hours or choose another date.

THROUGH THE SEASONS3different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: London and Adelaide

No shared working hours on this date

Set each person’s local working hours.

London
to
Adelaide
to

Local working days, overnight shifts and the entire meeting duration are checked.

Closest alternatives60 MIN

¹ Sum of meeting minutes outside both people’s selected hours. Alternatives minimize the worst individual conflict first.

THE QUICK REFERENCE

London to Adelaide conversion table

November 10, 2026 · Date changes are marked.

CSV
View the full 24-hour table
LondonAdelaide
12:00 AM10:30 AM
1:00 AM11:30 AM
2:00 AM12:30 PM
3:00 AM1:30 PM
4:00 AM2:30 PM
5:00 AM3:30 PM
6:00 AM4:30 PM
7:00 AM5:30 PM
8:00 AM6:30 PM
9:00 AM7:30 PM
10:00 AM8:30 PM
11:00 AM9:30 PM
LondonAdelaide
12:00 PM10:30 PM
1:00 PM11:30 PM
2:00 PM12:30 AM +1 day
3:00 PM1:30 AM +1 day
4:00 PM2:30 AM +1 day
5:00 PM3:30 AM +1 day
6:00 PM4:30 AM +1 day
7:00 PM5:30 AM +1 day
8:00 PM6:30 AM +1 day
9:00 PM7:30 AM +1 day
10:00 PM8:30 AM +1 day
11:00 PM9:30 AM +1 day

Starting with the Adelaide working day

These examples start on 2026-11-10 in Adelaide.

09:00 Adelaide22:30 →London · 2026-11-09
17:00 Adelaide06:30 →London · 2026-11-10
SAME TIME NEXT WEEK?

Check recurring meeting times

Check the next 12 weeks for clock changes and working-hours conflicts.

Check my schedule
ONE CLOCK TIME. THE WHOLE YEAR.

09:00 London to Adelaide throughout 2026

Keeping 09:00 on the London clock produces 3 different destination clock/date answers in 2026. The ranges below use London calendar dates, including transition days.

Year CSV
Adelaide17:30Same date182 of 365 source dates
Adelaide19:30Same date155 of 365 source dates
Adelaide18:30Same date28 of 365 source dates
Dates in London · 2026Adelaide answerSource → destination offsetsExplore
Jan 1 – Mar 2887 dates19:30Same dateUTC → UTC+10:30
Mar 29 – Apr 47 dates18:30Same dateUTC+01:00 → UTC+10:30
Apr 5 – Oct 3182 dates17:30Same dateUTC+01:00 → UTC+09:30
Oct 4 – Oct 2421 dates18:30Same dateUTC+01:00 → UTC+10:30
Oct 25 – Dec 3168 dates19:30Same dateUTC → UTC+10:30

Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.

DON’T LOSE A DAY

When does London time become a different date in Adelaide?

Your complete source day: 2026-11-10. Each range shows which destination date to use.

London · 2026-11-1000:00–13:30UTC
Adelaide · 2026-11-1010:30–24:00UTC+10:30 Same date
London · 2026-11-1013:30–24:00UTC
Adelaide · 2026-11-1100:00–10:30UTC+10:30 Next day

Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.

THE BIGGER PICTURE

A year of time differences.

How Adelaide compares with London throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+10h 30m
+9h 30m
+8h 30m
+9h 30m
+10h 30m

Both London and Adelaide change their clocks in 2026. The chart shows whether those changes alter the difference.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)Adelaide vs London
1 Jan 2026, 00:00 UTC29 Mar 2026, 01:00 UTC10h 30m ahead
29 Mar 2026, 01:00 UTC4 Apr 2026, 16:30 UTC9h 30m ahead
4 Apr 2026, 16:30 UTC3 Oct 2026, 16:30 UTC8h 30m ahead
3 Oct 2026, 16:30 UTC25 Oct 2026, 01:00 UTC9h 30m ahead
25 Oct 2026, 01:00 UTC1 Jan 2027, 00:00 UTC10h 30m ahead
CLOCK CHANGES

What changes at the next clock adjustment?

March 28, 2027Local transition date
  • London clocks go forward by 1h on March 28, 2027.

After this change, London is 9h 30m behind Adelaide.

Exact clock readings and UTC transition

2027-03-28T01:00:00.000Z.

London: 2027-03-28 00:59 UTC → 2027-03-28 02:00 UTC+01:00.

Readings are one real minute apart. Future rules may change.

Exact periods outside the most common difference in 2026

The most frequent difference has Adelaide 8h 30m ahead relative to London. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with London
1 Jan 2026, 00:00 UTC29 Mar 2026, 01:00 UTC10h 30m ahead
29 Mar 2026, 01:00 UTC4 Apr 2026, 16:30 UTC9h 30m ahead
3 Oct 2026, 16:30 UTC25 Oct 2026, 01:00 UTC9h 30m ahead
25 Oct 2026, 01:00 UTC1 Jan 2027, 00:00 UTC10h 30m ahead
PLAN BEYOND A SINGLE DAY

London–Adelaide working hours through 2026

Every date calculated with your working windows. 261 selected London workdays; public holidays are not applied.

Daily CSV
Least shared time0h
Most common0h
Most shared time0h
Days without a 60-min slot261 / 261

One fixed start time does not fit every working day.

Your working windows never overlap on the selected host workdays this year. Adjust working days, hours or duration above, or use different seasonal meeting times.

Explore seasonal meeting times and your weekly schedule

London: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Adelaide: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.

Calculation details and repeated hours

Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.

TWO PLACES. ONE CONNECTION.

Across the map. Across the clock.

≈ 16,264 km apart
180°W0°180°E

City-center coordinates. Distance is an approximate great-circle distance, not a flight route.

London

United Kingdom

Time zone
Europe/London
Coordinates
51.51°N, 0.13°W

Adelaide

Australia

Time zone
Australia/Adelaide
Coordinates
34.93°S, 138.60°E

Coordinates adapted from GeoNames · CC BY 4.0

THE DETAILS THAT MATTER

London to Adelaide: useful answers

Does the London to Adelaide difference stay the same all year?

London is 8h 30m, 9h 30m, or 10h 30m behind Adelaide in 2026, depending on the date. Both London and Adelaide change their clocks in 2026. The chart shows whether those changes alter the difference.

Does the London–Adelaide time difference change in 2026?

The published rules produce 5 periods with 3 different offsets in 2026. See the annual chart for the exact boundaries of each period.

Does this conversion change the calendar date?

09:00 in London on 2026-11-10 is 19:30 in Adelaide on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.

Can London and Adelaide meet during working hours?

Your selected working windows have no shared time on 2026-11-10. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.

Related time-zone meanings and conversions

Choose the question you need answered

Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology

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