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Colombo ↔ Vienna — Live Clock

Colombo is 3 hours 30 minutes ahead

Frequently Asked Questions

How many hours apart are Colombo and Vienna?

Colombo and Vienna are 3 hours 30 minutes apart. Colombo (Asia/Colombo) is ahead of Vienna (Europe/Vienna).

What is the best time to schedule a call between Colombo and Vienna?

Both locations are simultaneously in business hours for 4.5 hours per day. 13:00 Colombo / 09:00 Vienna works well for both parties.

How much will the Colombo–Vienna offset shift when DST kicks in?

A DST transition is approaching for Vienna: DST back 1h at 03:00 — Oct 25. After this, the gap between Colombo and Vienna shifts by 1h.

If it's noon in Colombo, what time is it in Vienna?

When it is 12:00 noon in Colombo, it is 8:30 AM in Vienna.

How do I convert Colombo time to Vienna time?

Simply drag the slider to your Colombo time — Vienna and all other locations update in real time. Accuracy is to the minute, DST-aware.

Are there any upcoming public holidays in Colombo or Vienna?

Yes — Vienna has an upcoming public holiday: National Holiday on October 26. Check the holiday panel above before confirming meetings.

How do Colombo and Vienna relate to UTC?

Asia/Colombo covers Colombo; Europe/Vienna covers Vienna. This gives a 3 hours 30 minutes difference.

What is the UTC offset comparison for Colombo and Vienna?

Asia/Colombo covers Colombo and Europe/Vienna covers Vienna. These IANA identifiers encode their UTC offsets, which currently differ by 3 hours 30 minutes.

Quick time conversions: Colombo → Vienna

Common reference points to help you plan across the time difference.

For every 8:00 AM in Colombo, it's simultaneously 4:30 AM in Vienna.

If I call at 9:00 AM from Colombo, what time is it in Vienna?—5:30 AM

6:00 AMin Colombo→2:30 AMin Vienna

1:00 PM in Colombo corresponds exactly to 9:30 AM in Vienna.

2:00 PMin Colombo→10:30 AMin Vienna

What's the Vienna equivalent of 7:00 AM Colombo?—3:30 AM

12:00 PMin Colombo→8:30 AMin Vienna

Colombo ↔ Vienna

4h of business hours overlap daily (09:00–17:00)

Colombo

Vienna

00:00

20:30-1d

01:00

21:30-1d

02:00

22:30-1d

03:00

23:30-1d

04:00

00:30

05:00

01:30

06:00

02:30

07:00

03:30

08:00

04:30

09:00Working

05:30off

10:00Working

06:30off

11:00Working

07:30off

12:00Working

08:30off

13:00Working

09:30Working

14:00Working

10:30Working

15:00Working

11:30Working

16:00Working

12:30Working

17:00

13:30Working

18:00

14:30Working

19:00

15:30Working

20:00

16:30Working

21:00

17:30

22:00

18:30

23:00

19:30

Working hours: 09:00–17:00 local. Green = both working. Purple = one side only.

Popular Colombo time conversions

Colombo to New York Colombo to Toronto Colombo to Paris Colombo to Singapore Colombo to Dubai Colombo to London Colombo to Berlin Colombo to Los Angeles Colombo to Mumbai

Vienna → other locations

Vienna to Seoul Vienna to Los Angeles Vienna to Tokyo Vienna to Mumbai Vienna to Rome Vienna to Chicago Vienna to Berlin Vienna to Madrid Vienna to Sydney

How far apart are Colombo and Vienna?

Colombo is 3 hours 30 minutes ahead of Vienna. When Colombo clocks hit noon, Vienna reads 08:00.

Colombo runs on Asia/Colombo; Vienna runs on Europe/Vienna. Together they are 3.5 hours 30 minutes apart.

Daily overlap window

Every working day, Colombo and Vienna are both in business hours for 4.5 hours simultaneously.

00:0006:0012:0018:0024:00

Colombo

Vienna

Overlap (4.5h)

Best times to schedule a meeting

There is a 4.5-hour daily window where both locations are in business hours. The 3 best slots are listed below.

13:00 Colombo / 09:00 Vienna✓ Both working

14:00 Colombo / 10:00 Vienna✓ Both working

15:00 Colombo / 11:00 Vienna✓ Both working

Working hours defined as 09:00–17:00 local time for each location.

⚠️ Clocks changing soon

Vienna

DST back 1h at 03:00 — Oct 25 — remember to update any scheduled meetings across this timezone.

Get DST alerts in your browser → Install Extension

Holiday calendar for both locations

Colombo

No upcoming public holidays this year.

Vienna5 holidays

Oct 26National HolidaySOON

Nov 1All Saints' DaySOON

Dec 8Immaculate Conception

Dec 25Christmas Day

Dec 26St. Stephen's Day

Working across Colombo and Vienna

The 3.5-hour gap between Colombo (Sri Lanka) and Vienna (Austria) requires some planning — but a 4.5-hour daily overlap means both teams can connect in real time without unusual scheduling.

💡 Best practice for cross-timezone meetings

✅

If you are in Colombo, aim for 13:00–14:00, which corresponds to 09:00–10:00 in Vienna — both teams are within working hours.

✅

If you are in Colombo, aim for 14:00–15:00, which corresponds to 10:00–11:00 in Vienna — both teams are within working hours.

✅

If you are in Colombo, aim for 15:00–16:00, which corresponds to 11:00–12:00 in Vienna — both teams are within working hours.

Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.

Add to your browser — Free →

Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am Colombo".