Live Synchronized Time Difference

San FranciscotoViennaTime Difference

Vienna is 8 hours ahead of San Francisco.

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San Francisco

United States (PDT)
08:10:20UTC-7:00
📅 Sat, Oct 31, 2026☀️ Daylight Saving Time
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Vienna

Austria (GMT+1)
16:10:20UTC+1:00
📅 Sat, Oct 31, 2026 (Today)Standard Time
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Direct Distance9,622 km (5,979 miles)
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Estimated Flight Time~11.8 hours
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Business Overlap0 overlapping hours (9am–5pm)

Feasible Shoulder Hours Window

Recommended calling window between San Francisco and Vienna

Active Calling Window Now
San Francisco Time
7:00 AM – 1:00 PM
Vienna Time
3:00 PM – 9:00 PM

There are no overlapping 9-to-5 working hours between San Francisco and Vienna. The optimal compromise window falls during morning/evening shoulder periods (7:00 AM – 9:00 PM) when participants in both locations are awake.

24-Hour Schedule Conversion Matrix

Compare every hour of the day between San Francisco and Vienna.

Work (9am-5pm)ShoulderSleep / Off
San Francisco Time (United States)Vienna Time (Austria)Status & Recommendation
00:00AM08:00AM⚪ Outside Work Hours
01:00AM09:00AM⚪ Outside Work Hours
02:00AM10:00AM⚪ Outside Work Hours
03:00AM11:00AM⚪ Outside Work Hours
04:00AM12:00PM⚪ Outside Work Hours
05:00AM13:00PM⚪ Outside Work Hours
06:00AM14:00PM⚪ Outside Work Hours
07:00AM15:00PM⚪ Outside Work Hours
08:00AM16:00PM⚪ Outside Work Hours
09:00AM17:00PM🟡 Feasible (Shoulder Hour)
10:00AM18:00PM🟡 Feasible (Shoulder Hour)
11:00AM19:00PM🟡 Feasible (Shoulder Hour)
12:00PM20:00PM🟡 Feasible (Shoulder Hour)
13:00PM21:00PM⚪ Outside Work Hours
14:00PM22:00PM⚪ Outside Work Hours
15:00PM23:00PM⚪ Outside Work Hours
16:00PM00:00AM+1 day⚪ Outside Work Hours
17:00PM01:00AM+1 day⚪ Outside Work Hours
18:00PM02:00AM+1 day⚪ Outside Work Hours
19:00PM03:00AM+1 day⚪ Outside Work Hours
20:00PM04:00AM+1 day⚪ Outside Work Hours
21:00PM05:00AM+1 day⚪ Outside Work Hours
22:00PM06:00AM+1 day⚪ Outside Work Hours
23:00PM07:00AM+1 day⚪ Outside Work Hours

Frequently Asked Questions

What is the time difference between San Francisco and Vienna?

Vienna is 8 hours ahead of San Francisco.

What is the best time to schedule a cross-border meeting between San Francisco and Vienna?

Because of the wide timezone separation, a compromise meeting window during early morning in one location and evening in the other is recommended.

Does daylight saving time (DST) affect the time difference between San Francisco and Vienna?

Yes. If either United States or Austria observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.

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