A LITTLE LESS BACK-AND-FORTH

Find a time.
Make it work for both.

Find shared working hours, a start time that survives the seasons, and the weeks your meeting needs attention.

A MEETING THAT FITS

No shared 60-minute slot on this date

Your configured working hours cannot accommodate the full meeting on 2026-11-06. The alternatives below show the minutes outside each person's window. The annual analysis below shows where the schedule needs adjustment.

TIME & DATE
AUFROMUTC+10:30

Australia · ACDT

Fri, 6 Nov
PTTOUTC

Portugal · WET

10:30PM
Thu, 5 Nov-1 day
Lisbon is 10h 30m behind Adelaide.-1 day
Find your moment
Working hoursOutside hours
AdelaideYour reference
LisbonConverted time
Tap an hour to explore · November 6, 2026Dates follow Adelaide
Add to calendar
THE TIME DIFFERENCE10h 30mbehind

Lisbon compared with Adelaide.

SHARED WORKING HOURS0h2026-11-06

Adjust your working hours or choose another date.

THROUGH THE SEASONS3different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Adelaide and Lisbon

No shared working hours on this date

Set each person’s local working hours.

Adelaide
to
Lisbon
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.

PLAN BEYOND A SINGLE DAY

Adelaide–Lisbon working hours through 2026

Every date calculated with your working windows. 261 selected Adelaide 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.

How shared working time changes by month

Bars show the mean shared hours per selected host workday. The range captures all those days, including clock-change dates. A full bar represents 8h.

Jan
0h0h on every selected day22 days without a full slot
Feb
0h0h on every selected day20 days without a full slot
Mar
0h0h on every selected day22 days without a full slot
Apr
0h0h on every selected day22 days without a full slot
May
0h0h on every selected day21 days without a full slot
Jun
0h0h on every selected day22 days without a full slot
Jul
0h0h on every selected day23 days without a full slot
Aug
0h0h on every selected day21 days without a full slot
Sep
0h0h on every selected day22 days without a full slot
Oct
0h0h on every selected day22 days without a full slot
Nov
0h0h on every selected day21 days without a full slot
Dec
0h0h on every selected day23 days without a full slot
Explore every date in 2026

Select a date to check its schedule. Color shows shared hours; grey marks dates outside the selected host working weekdays. Each date also reports how many starts fit the complete meeting.

No shared timeUp to 1 hour1–2 hours2–3 hoursMore than 3 hoursHost day off

Jan 2026

Feb 2026

Mar 2026

Apr 2026

May 2026

Jun 2026

Jul 2026

Aug 2026

Sep 2026

Oct 2026

Nov 2026

Dec 2026

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

A SCHEDULE WITH FORESIGHT

Your next 12 weekly meetings

Anchored to Adelaide at 09:00. 12 meetings need attention.

0 meetings at a different local time
Date in AdelaideAdelaideLisbonWorking-hours check
2026-11-069:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-11-139:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-11-209:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-11-279:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-12-049:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-12-119:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-12-189:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2026-12-259:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2027-01-019:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2027-01-089:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2027-01-159:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours
2027-01-229:00 AM UTC+10:3010:30 PM -1 day60 person-min outside hours

This checks weekly occurrences against the published time-zone rules and your working windows. It does not access calendars or account for leave and holidays. Calendar export creates a single meeting.

THE BIGGER PICTURE

A year of time differences.

How Lisbon compares with Adelaide throughout 2026.

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

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

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

What changes at the next clock adjustment?

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

After this change, Adelaide is 9h 30m ahead of Lisbon.

Exact clock readings and UTC transition

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

Lisbon: 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 Lisbon 8h 30m behind relative to Adelaide. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with Adelaide
1 Jan 2026, 00:00 UTC29 Mar 2026, 01:00 UTC10h 30m behind
29 Mar 2026, 01:00 UTC4 Apr 2026, 16:30 UTC9h 30m behind
3 Oct 2026, 16:30 UTC25 Oct 2026, 01:00 UTC9h 30m behind
25 Oct 2026, 01:00 UTC1 Jan 2027, 00:00 UTC10h 30m behind

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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