Vienna to Ostuncalco time converter

Ostuncalco is 8 hours behind Vienna. When it is 9:00 AM in Vienna, it is 1:00 AM in Ostuncalco.

Vienna CEST

Tuesday, October 20, 2026

Ostuncalco CST

Monday, October 19, 2026

Vienna
Austria
Tue, Oct 20
CESTUTC+2
Ostuncalco
Guatemala
Mon, Oct 19
CSTUTC-6-8h
Finding your time zone…
Shared working hours (9:00–18:00)

Vienna to Ostuncalco conversion table

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

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

Best time to call or meet

Both sides are at work from 5:00 PM – 6:00 PM in Vienna (9:00 AM – 10:00 AM in Ostuncalco).

Daylight saving time and the difference

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

  • Oct 20, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 20, 2027: -8h

Distance

Vienna and Ostuncalco are 10,056 km (6,249 miles) apart in a straight line.

More conversions

Ostuncalco 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 OstuncalcoLondon to OstuncalcoLos Angeles to OstuncalcoChicago to OstuncalcoToronto to OstuncalcoSão Paulo to OstuncalcoParis to OstuncalcoBerlin to OstuncalcoMoscow to OstuncalcoDubai to OstuncalcoNew Delhi to OstuncalcoBangkok to Ostuncalco

Questions and answers

What is the time difference between Vienna and Ostuncalco?

Ostuncalco is 8 hours behind Vienna.

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

When it is 9:00 AM in Vienna, it is 1:00 AM in Ostuncalco.

When is the best time to call Ostuncalco from Vienna?

Both sides are at work from 5:00 PM – 6:00 PM in Vienna (9:00 AM – 10:00 AM in Ostuncalco).

Does the time difference between Vienna and Ostuncalco change?

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