+43 · UTC+1

Best Time to Call
Austria
from the United States

Austria's +43 code covers a numbering system regulated by RTR, with Vienna's 01 code anchoring the country's largest business hub. From the US East Coast, business hours in Austria fall between 3:00 AM and 11:00 AM EST.

Best EST: 3:00 AM – 11:00 AM
Mon–Fri
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// Best Time to Call

When to Call Austria

A 9-to-5 day in Vienna and one in New York share 2 hours: 9:00 AM–11:00 AM ET.

Ideal

Morning

local

EST (UTC−5)
PST (UTC−8)
Ideal

Afternoon

local

Working week: Monday–Friday; weekend: Saturday–Sunday.

EST (UTC−5)
PST (UTC−8)
Avoid

Avoid

local

Also avoid public holidays such as 1 Jan – New Year's Day; 6 Jan – Epiphany; Easter Monday (moveable).

EST (UTC−5)
PST (UTC−8)
Austria Business Hours → US Time Zones
Local TimeUTCEST / New YorkCST / ChicagoPST / LA

US columns use standard time (EST/CST/PST); between the second Sunday in March and the first Sunday in November, US clocks are one hour later. Austria: Clocks go forward on the last Sunday of March and back on the last Sunday of October (EU rule).

// Calling Guide

How to call Austria — the short version.

Dialing steps

  1. 1Dial your exit code — 011 from the US and Canada, 00 from most of Europe.
  2. 2Add the Austria country code: +43.
  3. 3Enter the national number without its domestic trunk prefix 0.

From the US: 011 43 1 XXX XXXX

Best time to call

  • 9:00 AM – 5:00 PM in Vienna is 3:00 AM – 11:00 AM EST.
  • A 9-to-5 day in Vienna and one in New York share 2 hours: 9:00 AM–11:00 AM ET.

Quick tips

  • Working days: Monday–Friday.
  • Calling out of Austria? Its international (exit) prefix is 00.
  • Emergency (EU-wide): 112
  • Police: 133
  • Ambulance: 144
  • Fire: 122
// Calling Etiquette

Calling etiquette in Austria

Calling culture

Austrian business culture places weight on formality and titles — using proper titles and a professional tone is expected, especially in initial contact.

// Reference

Austria hours, holidays and time changes

Time zone
CET (UTC+1); CEST (UTC+2) in summer
Daylight saving
Clocks go forward on the last Sunday of March and back on the last Sunday of October (EU rule).
Working week
Monday–Friday; weekend: Saturday–Sunday
Public holidays
  • 1 Jan – New Year's Day
  • 6 Jan – Epiphany
  • Easter Monday (moveable)
  • 1 May – Labour Day
  • Ascension Day (moveable)
  • Whit Monday (moveable)
  • Corpus Christi (moveable)
  • 15 Aug – Assumption
  • 26 Oct – National Day
  • 1 Nov – All Saints' Day
  • 8 Dec – Immaculate Conception
  • 25–26 Dec – Christmas and St Stephen's Day
Sources
Free tools

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Frequently Asked

Calling Austria — Common Questions

Everything you need to know about reaching contacts in Austria.

Clocks go forward on the last Sunday of March and back on the last Sunday of October (EU rule). Local time: CET (UTC+1); CEST (UTC+2) in summer. Because its clock changes fall on different dates from the US ones (second Sunday in March, first Sunday in November), the gap to US Eastern time is not constant through the year — double-check around March–April and October–November.

A local +43 number signals genuine presence to Austrian business contacts, who tend to value formality and established local relationships.

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