Vienna to Ottawa time converter

Ottawa is 6 hours behind Vienna. When it is 9:00 AM in Vienna, it is 3:00 AM in Ottawa.

Vienna CEST

Sunday, October 18, 2026

Ottawa EDT

Sunday, October 18, 2026

Vienna
Austria
Sun, Oct 18
CESTUTC+2
Ottawa
Ontario, Canada
Sun, Oct 18
EDTUTC-4-6h
Finding your time zone…
Shared working hours (9:00–18:00)

Vienna to Ottawa conversion table

Every hour of today in Vienna and the matching time in Ottawa. Light rows are typical working hours (9:00–18:00).

ViennaOttawa
12:00 AM6:00 PM−1 day
1:00 AM7:00 PM−1 day
2:00 AM8:00 PM−1 day
3:00 AM9:00 PM−1 day
4:00 AM10:00 PM−1 day
5:00 AM11:00 PM−1 day
6:00 AM12:00 AM
7:00 AM1:00 AM
8:00 AM2:00 AM
9:00 AM3:00 AM
10:00 AM4:00 AM
11:00 AM5:00 AM
12:00 PM6:00 AM
1:00 PM7:00 AM
2:00 PM8:00 AM
3:00 PM9:00 AM
4:00 PM10:00 AM
5:00 PM11:00 AM
6:00 PM12:00 PM
7:00 PM1:00 PM
8:00 PM2:00 PM
9:00 PM3:00 PM
10:00 PM4:00 PM
11:00 PM5:00 PM

Best time to call or meet

Both sides are at work from 3:00 PM – 6:00 PM in Vienna (9:00 AM – 12:00 PM in Ottawa).

Daylight saving time and the difference

The difference changes during the year because Vienna and Ottawa switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: -6h
  • Oct 25, 2026 – Nov 1, 2026: -5h
  • Nov 1, 2026 – Mar 14, 2027: -6h
  • Mar 14, 2027 – Mar 28, 2027: -5h
  • Mar 28, 2027 – Oct 18, 2027: -6h

Distance

Vienna and Ottawa are 6,568 km (4,081 miles) apart in a straight line.

More conversions

Ottawa to ViennaVienna to New YorkVienna to LondonVienna to Los AngelesVienna to ChicagoVienna to TorontoVienna to São PauloVienna to ParisVienna to BerlinVienna to MoscowVienna to DubaiVienna to New DelhiVienna to Bangkok
New York to OttawaLondon to OttawaLos Angeles to OttawaChicago to OttawaToronto to OttawaSão Paulo to OttawaParis to OttawaBerlin to OttawaMoscow to OttawaDubai to OttawaNew Delhi to OttawaBangkok to Ottawa

Questions and answers

What is the time difference between Vienna and Ottawa?

Ottawa is 6 hours behind Vienna.

What time is it in Ottawa when it is 9 AM in Vienna?

When it is 9:00 AM in Vienna, it is 3:00 AM in Ottawa.

When is the best time to call Ottawa from Vienna?

Both sides are at work from 3:00 PM – 6:00 PM in Vienna (9:00 AM – 12:00 PM in Ottawa).

Does the time difference between Vienna and Ottawa change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.