Vienna is 7 hours ahead of Dallas. Dallas uses Central Time (CST/CDT) while Vienna uses Central European Time (CET/CEST). When it's 9:00 AM in Dallas, it's 4:00 PM in Vienna.
Both cities observe daylight saving time, though they switch on different dates. The time difference is typically 7 hours but can briefly be 6 or 8 hours during transition periods.
Best calling time: 2:00 AM - 10:00 AM Dallas time. This corresponds to 9:00 AM - 5:00 PM in Vienna. Early morning calls from Dallas are necessary to reach Austrian business hours.
Vienna is a major hub for international organizations and has a strong cultural scene. Connections from Dallas typically route through European hubs like London, Frankfurt, or Amsterdam.