Does it handle Daylight Saving Time?

Yes, the tool automatically adjusts for Daylight Saving Time based on the specific date you select, ensuring accurate conversions year-round.

Can I add multiple cities?

Yes, you can add as many cities as you need to the dashboard to compare times across your entire global network simultaneously.

Vienna to Vietnam

+5h

Vienna

CESTSOURCE

Austria · UTC+02:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Vietnam

ICT

UTC+07:00

HH05

MM00

17:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

Vienna

Vietnam

12:00 AM

5:00 AM

2:00 AM

7:00 AM

4:00 AM

9:00 AM

6:00 AM

11:00 AM

8:00 AM

1:00 PM

10:00 AM

3:00 PM

12:00 PM

5:00 PM

2:00 PM

7:00 PM

4:00 PM

9:00 PM

6:00 PM

11:00 PM

8:00 PM

1:00 AM+1

10:00 PM

3:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

CEST and ICT on the World Map

The map below highlights the CEST (Central European Time) and ICT (Indochina Time) timezone regions across the globe.

CEST Zone

→

ICT Zone

Explore all world timezones interactively →

CET – Central European Time

UTC+01:00

Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.

Countries in CET

GermanyFranceItalySpainNetherlandsBelgiumAustriaSwitzerlandPolandCzech RepublicSwedenNorwayDenmarkHungaryCroatiaSerbiaSlovakiaSloveniaBosnia and HerzegovinaNorth MacedoniaAlbaniaMontenegroLuxembourgMaltaTunisiaAlgeriaNigeria

Major Cities in CET

ParisBerlinRomeMadridAmsterdamBrusselsViennaWarsawZurichStockholmOsloCopenhagenPragueBudapestBarcelonaMunichMilanLagos

Key Facts about CET

•CET covers more European countries than any other time zone.
•Spain uses CET despite being geographically aligned with GMT/WET.
•The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
•Over 500 million people live in the CET time zone.
•France moved to CET during the German occupation in WWII and never switched back.

Daylight Saving:Yes – switches to CEST

Learn more about CET on Wikipedia

ICT – Indochina Time

UTC+07:00

Indochina Time (ICT) is the time zone for Vietnam, Thailand, Laos, and Cambodia, 7 hours ahead of UTC.

Countries in ICT

ThailandVietnamCambodiaLaosIndonesia (WIB)

Major Cities in ICT

BangkokHo Chi Minh CityHanoiJakartaPhnom PenhVientiane

Key Facts about ICT

•Bangkok is one of the most visited cities in the world.
•ICT is 12 hours ahead of EST.
•Thailand, Vietnam, and Cambodia all share ICT.

Daylight Saving:No – UTC+07:00 year-round

Learn more about ICT on Wikipedia

About Vienna

Wikipedia

Vienna operates on Central European Time (CET/CEST). As a major EU hub and headquarters for international organizations, Vienna coordinates Central European business.

Population:1.9 million

Metro:2.9 million

Business Hours:8:00 AM - 5:00 PM CET

Currency:EUR (€)

Stock Exchange:Wiener Börse

Key Landmarks

Schönbrunn PalaceSt. Stephen's CathedralBelvedere PalaceHofburgVienna State Opera

Did You Know?

Vienna has more than 50 theaters and opera houses.

Learn more about CEST timezone →

Vienna to Vietnam Time Difference – Complete Guide

Vienna runs on Central European Summer Time (CEST) at UTC+02:00, currently observing daylight saving time. Vietnam runs on Indochina Time (ICT) at UTC+07:00. That puts Vienna 5 hours ahead of Vietnam — a difference of +5h at the current offsets.

In practice, when it is 9:00 AM in Vienna it is 2:00 PM in Vietnam. Midnight in Vienna is 5:00 AM in Vietnam.Vienna observes daylight saving time while Vietnam does not, so the gap narrows or widens by an hour part of the year.

Vienna to Vietnam time conversion table

Vienna (CEST)	Vietnam (ICT)	Day
12:00 AM	5:00 AM	same day
6:00 AM	11:00 AM	same day
7:00 AM	12:00 PM	same day
8:00 AM	1:00 PM	same day
9:00 AM	2:00 PM	same day
12:00 PM	5:00 PM	same day
3:00 PM	8:00 PM	same day
5:00 PM	10:00 PM	same day
6:00 PM	11:00 PM	same day
9:00 PM	2:00 AM	next day

Why people convert Vienna to Vietnam time

Scheduling a call from Vienna to Vietnam: a 10:00 AM start in Vienna lands at 3:00 PM in Vietnam, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both Vienna and Vietnam are inside the 9-to-5 working day between 9:00 AM and 12:00 PM CEST time (2:00 PM–5:00 PM ICT). That is roughly 3 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in Vienna is 1:00 AM in Vietnam makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM CEST" is unambiguous; "3 PM" across a +5h gap is not.
Block 9:00 AM–12:00 PM CEST as the recurring meeting window if you work primarily from Vienna and need Vietnam colleagues present.
Vienna: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +5h gap.

About CET (Central European Time)

Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.

About ICT (Indochina Time)

Indochina Time (ICT) is used across Southeast Asia including Vietnam, Thailand, Laos, and Cambodia. Indonesia (Western time, WIB) also uses UTC+07:00. ICT does not observe daylight saving time.

Best time to call between Vienna and Vietnam

Both Vienna and Vietnam sit inside the 9 AM – 5 PM working day between 9:00 AM–12:00 PM CEST, which is 2:00 PM–5:00 PM ICT. That gives roughly 3 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

Vienna and Vietnam overlap for about 3 hours during the working day — enough for meetings if you avoid the edges of the window.

Vienna is 5 hours ahead of Vietnam (CEST UTC+02:00 → ICT UTC+07:00). The shared working window is 9:00 AM–12:00 PM CEST. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

Vienna

☀ Currently in DST

Standard: UTC+01:00 · DST: UTC+02:00

Clocks fall back on Sun, Oct 25, 2026

Vietnam

Does not observe DST

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between Vienna and Vietnam?

Vienna (CEST, UTC+02:00) is 5 hours ahead of Vietnam (ICT, UTC+07:00). The gap is currently +5h.

How do I convert Vienna time to Vietnam time?

Add +5h to Vienna local time. For example, 9:00 AM in Vienna is 2:00 PM in Vietnam.

What time is it in Vietnam right now?

Vietnam uses ICT at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +5h offset from Vienna.

What is the best time to call Vietnam from Vienna?

Call between 9:00 AM and 12:00 PM CEST — that maps to 2:00 PM–5:00 PM ICT and keeps both parties inside the working day.

Which is ahead, Vienna or Vietnam?

Vienna is 5 hours ahead of Vietnam. When it is 12:00 PM in Vienna it is 5:00 PM in Vietnam.

Do Vienna and Vietnam use different time zones?

Vienna (Austria) uses CEST at UTC+02:00, while Vietnam (Vietnam) uses ICT at UTC+07:00. The IANA identifiers are Europe/Vienna and Asia/Ho_Chi_Minh.

Does daylight saving time affect the Vienna–Vietnam difference?

Yes at the moment: Vienna is on daylight saving time and Vietnam is not, so the +5h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Vienna's time zone?

CEST also covers Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw and 10 more.

Which countries use CEST, Vienna's zone?

CEST is used in Germany, France, Italy, Spain, Netherlands, Belgium, Austria, Switzerland and 19 more.

Is there a day difference between Vienna and Vietnam?

Not normally. The +5h gap only pushes the date over for late-evening times.

What is the time difference between Vienna and Vietnam?

Vietnam is +5h from Vienna.

What timezone is Vienna in?

Vienna operates on Central European Time (CET/CEST). As a major EU hub and headquarters for international organizations, Vienna coordinates Central European business.