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

09:00 Colombo · 14:30 Sydney

November 4, 2026 in Colombo. The complete 60-minute meeting fits both working windows. For a recurring meeting throughout 2026, start in Colombo at 09:00–10:30 on the selected host workdays.

TIME & DATE
LKFROMUTC+05:30

Sri Lanka · +0530

Wed, 4 Nov
AUTOUTC+11:00

Australia · AEDT

2:30PM
Wed, 4 Nov
Sydney is 5h 30m ahead of Colombo.
Find your moment
Working hoursOutside hours
ColomboYour reference
SydneyConverted time
Tap an hour to explore · November 4, 2026Dates follow Colombo
Add to calendar
THE TIME DIFFERENCE5h 30mahead

Sydney compared with Colombo.

SHARED WORKING HOURS2h 30m2026-11-04

Shared time within the selected local working windows.

THROUGH THE SEASONS2different offsets

Clock changes affect your time difference.

WORKING HOURS & MEETINGS

Best meeting times: Colombo and Sydney

2h 30m of shared working time on 2026-11-04

Set each person’s local working hours.

Colombo
to
Sydney
to

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 10:30 AM Colombo.
PLAN BEYOND A SINGLE DAY

Colombo–Sydney working hours through 2026

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

Daily CSV
Least shared time2h 30m
Most common2h 30m
Most shared time3h 30m
Days without a 60-min slot0 / 261

A start time that survives the whole year.

Start a 60-minute meeting in Colombo 09:00–10:30.

These starts fit both working windows on every selected Colombo 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
2h 30m2h 30m on every selected day0 days without a full slot
Feb
2h 30m2h 30m on every selected day0 days without a full slot
Mar
2h 30m2h 30m on every selected day0 days without a full slot
Apr
3h 22m2h 30m–3h 30m range0 days without a full slot
May
3h 30m3h 30m on every selected day0 days without a full slot
Jun
3h 30m3h 30m on every selected day0 days without a full slot
Jul
3h 30m3h 30m on every selected day0 days without a full slot
Aug
3h 30m3h 30m on every selected day0 days without a full slot
Sep
3h 30m3h 30m on every selected day0 days without a full slot
Oct
2h 35m2h 30m–3h 30m range0 days without a full slot
Nov
2h 30m2h 30m on every selected day0 days without a full slot
Dec
2h 30m2h 30m 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

Colombo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Sydney: 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 Colombo at 09:00. All occurrences fit your working windows.

0 meetings at a different local time
Date in ColomboColomboSydneyWorking-hours check
2026-11-049:00 AM UTC+05:302:30 PM Works for both
2026-11-119:00 AM UTC+05:302:30 PM Works for both
2026-11-189:00 AM UTC+05:302:30 PM Works for both
2026-11-259:00 AM UTC+05:302:30 PM Works for both
2026-12-029:00 AM UTC+05:302:30 PM Works for both
2026-12-099:00 AM UTC+05:302:30 PM Works for both
2026-12-169:00 AM UTC+05:302:30 PM Works for both
2026-12-239:00 AM UTC+05:302:30 PM Works for both
2026-12-309:00 AM UTC+05:302:30 PM Works for both
2027-01-069:00 AM UTC+05:302:30 PM Works for both
2027-01-139:00 AM UTC+05:302:30 PM Works for both
2027-01-209:00 AM UTC+05:302:30 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 Sydney compares with Colombo throughout 2026.

2026
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+5h 30m
+4h 30m
+5h 30m

Sydney changes its UTC offset in 2026. Colombo keeps one UTC offset this year.

See exact change periods
From (UTC, inclusive)Until (UTC, exclusive)Sydney vs Colombo
1 Jan 2026, 00:00 UTC4 Apr 2026, 16:00 UTC5h 30m ahead
4 Apr 2026, 16:00 UTC3 Oct 2026, 16:00 UTC4h 30m ahead
3 Oct 2026, 16:00 UTC1 Jan 2027, 00:00 UTC5h 30m ahead
CLOCK CHANGES

What changes at the next clock adjustment?

April 4, 2027Local transition date
  • Sydney clocks go back by 1h on April 4, 2027.

After this change, Colombo is 4h 30m behind Sydney.

Exact clock readings and UTC transition

2027-04-03T16:00:00.000Z.

Sydney: 2027-04-04 02:59 UTC+11:00 → 2027-04-04 02:00 UTC+10:00.

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

Exact periods outside the most common difference in 2026

The most frequent difference has Sydney 5h 30m ahead relative to Colombo. Exceptions:

From (UTC, inclusive)Until (UTC, exclusive)Compared with Colombo
4 Apr 2026, 16:00 UTC3 Oct 2026, 16:00 UTC4h 30m ahead

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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