Vienna to Idaho Falls time converter

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

Vienna CEST

Wednesday, October 21, 2026

Idaho Falls MDT

Tuesday, October 20, 2026

Austria
Wed, Oct 21
CESTUTC+2
Idaho, United States
Tue, Oct 20
MDTUTC-6-8h
Finding your time zone…

5:27 AM in Vienna, Wednesday, October 21, 2026

Shared working hours (9:00–18:00)

Vienna to Idaho Falls conversion table

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

ViennaIdaho Falls
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 Idaho Falls).

Daylight saving time and the difference

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

  • Oct 21, 2026 – Oct 25, 2026: -8h
  • Oct 25, 2026 – Nov 1, 2026: -7h
  • Nov 1, 2026 – Mar 14, 2027: -8h
  • Mar 14, 2027 – Mar 28, 2027: -7h
  • Mar 28, 2027 – Oct 21, 2027: -8h

Distance

Vienna and Idaho Falls are 8,644 km (5,371 miles) apart in a straight line.

More conversions

Questions and answers

What is the time difference between Vienna and Idaho Falls?

Idaho Falls is 8 hours behind Vienna.

What time is it in Idaho Falls when it is 9 AM in Vienna?

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

When is the best time to call Idaho Falls from Vienna?

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

Does the time difference between Vienna and Idaho Falls change?

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