A LITTLE LESS BACK-AND-FORTH

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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

09:00 Adelaide · 12:15 Chatham Islands

November 6, 2026 in Adelaide. The complete 60-minute meeting fits both working windows. For a recurring meeting throughout 2026, start in Adelaide at 09:00–11:45 on the selected host workdays.

AUFROMUTC+10:30

Australia · ACDT

Fri, 6 Nov

NZTOUTC+13:45

New Zealand · +1345

12:15PM

Fri, 6 Nov

Chatham Islands is 3h 15m ahead of Adelaide.

Find your moment

Working hoursOutside hours

AdelaideYour reference

Chatham IslandsConverted time

Tap an hour to explore · November 6, 2026Dates follow Adelaide

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THE TIME DIFFERENCE3h 15mahead

Chatham Islands compared with Adelaide.

SHARED WORKING HOURS4h 45m2026-11-06

Shared time within the selected local working windows.

THROUGH THE SEASONS3different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Adelaide and Chatham Islands

4h 45m of shared working time on 2026-11-06

Set each person’s local working hours.

Adelaide

to

Chatham Islands

to

Meeting length

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

A few times that work60 MIN

Every minute of the meeting fits both working windows.

For a 60-minute meeting, the last start in this window is 12:45 PM Adelaide.

Reviewfrom November 6, 2026

PLAN BEYOND A SINGLE DAY

Adelaide–Chatham Islands working hours through 2026

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

Least shared time3h 45m

Most common4h 45m

Most shared time4h 45m

Days without a 60-min slot0 / 261

A start time that survives the whole year.

Start a 60-minute meeting in Adelaide 09:00–11:45.

These starts fit both working windows on every selected Adelaide workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.

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

4h 45m4h 45m on every selected day0 days without a full slot

Feb

4h 45m4h 45m on every selected day0 days without a full slot

Mar

4h 45m4h 45m on every selected day0 days without a full slot

Apr

4h 45m4h 45m on every selected day0 days without a full slot

May

4h 45m4h 45m on every selected day0 days without a full slot

Jun

4h 45m4h 45m on every selected day0 days without a full slot

Jul

4h 45m4h 45m on every selected day0 days without a full slot

Aug

4h 45m4h 45m on every selected day0 days without a full slot

Sep

4h 37m3h 45m–4h 45m range0 days without a full slot

Oct

4h 40m3h 45m–4h 45m range0 days without a full slot

Nov

4h 45m4h 45m on every selected day0 days without a full slot

Dec

4h 45m4h 45m on every selected day0 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. Chatham Islands: 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. All occurrences fit your working windows.

0 meetings at a different local time

Date in Adelaide	Adelaide	Chatham Islands	Working-hours check
2026-11-06	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-11-13	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-11-20	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-11-27	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-12-04	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-12-11	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-12-18	9:00 AM UTC+10:30	12:15 PM	Works for both
2026-12-25	9:00 AM UTC+10:30	12:15 PM	Works for both
2027-01-01	9:00 AM UTC+10:30	12:15 PM	Works for both
2027-01-08	9:00 AM UTC+10:30	12:15 PM	Works for both
2027-01-15	9:00 AM UTC+10:30	12:15 PM	Works for both
2027-01-22	9:00 AM UTC+10:30	12:15 PM	Works for both

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 Chatham Islands compares with Adelaide throughout 2026.

2026

JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC

+3h 15m

+2h 15m

+3h 15m

+4h 15m

+3h 15m

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

See exact change periods

From (UTC, inclusive)	Until (UTC, exclusive)	Chatham Islands vs Adelaide
1 Jan 2026, 00:00 UTC	4 Apr 2026, 14:00 UTC	3h 15m ahead
4 Apr 2026, 14:00 UTC	4 Apr 2026, 16:30 UTC	2h 15m ahead
4 Apr 2026, 16:30 UTC	26 Sep 2026, 14:00 UTC	3h 15m ahead
26 Sep 2026, 14:00 UTC	3 Oct 2026, 16:30 UTC	4h 15m ahead
3 Oct 2026, 16:30 UTC	1 Jan 2027, 00:00 UTC	3h 15m ahead

CLOCK CHANGES

What changes at the next clock adjustment?

April 4, 2027Local transition date

Chatham Islands clocks go back by 1h on April 4, 2027.

After this change, Adelaide is 2h 15m behind Chatham Islands.

Exact clock readings and UTC transition

2027-04-03T14:00:00.000Z.

Chatham Islands: 2027-04-04 03:44 UTC+13:45 → 2027-04-04 02:45 UTC+12:45.

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

Exact periods outside the most common difference in 2026

The most frequent difference has Chatham Islands 3h 15m ahead relative to Adelaide. Exceptions:

From (UTC, inclusive)	Until (UTC, exclusive)	Compared with Adelaide
4 Apr 2026, 14:00 UTC	4 Apr 2026, 16:30 UTC	2h 15m ahead
26 Sep 2026, 14:00 UTC	3 Oct 2026, 16:30 UTC	4h 15m ahead

Related time-zone meanings and conversions

Chatham Islands to Adelaide Reverse the conversion direction.

Choose the question you need answered

Best meeting timesAnnual overlap, year-round starts and weekly schedule checks

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