Richardson to Vienna time converter

Vienna is 7 hours ahead of Richardson. When it is 9:00 AM in Richardson, it is 4:00 PM in Vienna.

Richardson CDT

Monday, October 19, 2026

Vienna CEST

Monday, October 19, 2026

Texas, United States
Mon, Oct 19
CDTUTC-5
Austria
Mon, Oct 19
CESTUTC+2+7h
Finding your time zone…

12:32 AM in Richardson, Monday, October 19, 2026

Shared working hours (9:00–18:00)

Richardson to Vienna conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

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

  • Oct 19, 2026 – Oct 24, 2026: +7h
  • Oct 24, 2026 – Nov 1, 2026: +6h
  • Nov 1, 2026 – Mar 14, 2027: +7h
  • Mar 14, 2027 – Mar 27, 2027: +6h
  • Mar 27, 2027 – Oct 19, 2027: +7h

Distance

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

More conversions

Questions and answers

What is the time difference between Richardson and Vienna?

Vienna is 7 hours ahead of Richardson.

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

When it is 9:00 AM in Richardson, it is 4:00 PM in Vienna.

When is the best time to call Vienna from Richardson?

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

Does the time difference between Richardson and Vienna change?

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