Vienna to Richardson time converter

Richardson is 7 hours behind Vienna. When it is 9:00 AM in Vienna, it is 2:00 AM in Richardson.

Vienna CEST

Monday, October 19, 2026

Richardson CDT

Sunday, October 18, 2026

Vienna
Austria
Mon, Oct 19
CESTUTC+2
Richardson
Texas, United States
Sun, Oct 18
CDTUTC-5-7h
Finding your time zone…
Shared working hours (9:00–18:00)

Vienna to Richardson conversion table

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

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

Best time to call or meet

Both sides are at work from 4:00 PM – 6:00 PM in Vienna (9:00 AM – 11:00 AM in Richardson).

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 25, 2026: -7h
  • Oct 25, 2026 – Nov 1, 2026: -6h
  • Nov 1, 2026 – Mar 14, 2027: -7h
  • Mar 14, 2027 – Mar 28, 2027: -6h
  • Mar 28, 2027 – Oct 19, 2027: -7h

Distance

Vienna and Richardson are 8,815 km (5,477 miles) apart in a straight line.

More conversions

Richardson 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 RichardsonLondon to RichardsonLos Angeles to RichardsonChicago to RichardsonToronto to RichardsonSão Paulo to RichardsonParis to RichardsonBerlin to RichardsonMoscow to RichardsonDubai to RichardsonNew Delhi to RichardsonBangkok to Richardson

Questions and answers

What is the time difference between Vienna and Richardson?

Richardson is 7 hours behind Vienna.

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

When it is 9:00 AM in Vienna, it is 2:00 AM in Richardson.

When is the best time to call Richardson from Vienna?

Both sides are at work from 4:00 PM – 6:00 PM in Vienna (9:00 AM – 11:00 AM in Richardson).

Does the time difference between Vienna and Richardson change?

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