What is the ISO week number in Clausthal-Zellerfeld?

TimeDials shows the current ISO week number for Clausthal-Zellerfeld in real time. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year.

Time in Clausthal-Zellerfeld, Lower Saxony, Germany — Local Time & Date

Live

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Current local time in 🇩🇪 Clausthal-Zellerfeld, Lower Saxony, Germany.

CET/CEST UTC+01:00

Relative to You

Detecting your timezone…

Relative to UTC

+1 hours ahead

Noon here = 11:00 UTC

09:00 here = 08:00 UTC

12:00 here = 11:00 UTC

17:00 here = 16:00 UTC

ISO Week

11 Odd Week

Sun

06:40

17:58

Today

Mid-morning in Clausthal-Zellerfeld. Offices are busy, meetings are underway. The current offset is UTC+01:00.

Daylight Saving Time

Last Clock Change

2025-10-26

Clocks moved back to GMT+1

Next Clock Change

2026-03-29

Clocks will move forward to GMT+2

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Quick Facts

Country	🇩🇪Germany
State / Region	Lower Saxony
Timezone	CET/CEST
UTC Offset	UTC+01:00
DST	Yes — daylight saving time observed
Population	15,345
Elevation	556 m
Sunrise	06:40
Sunset	17:58
Coordinates	51.81°N, 10.34°E

Map

Map data © OpenStreetMap contributors

Time Difference to Major Cities

City	Difference	Local Time
New York	-5h	--:--
Los Angeles	-8h	--:--
London	-1h	--:--
Paris	+0h	--:--
Dubai	+3h	--:--
Mumbai	+4h 30m	--:--
Singapore	+7h	--:--
Tokyo	+8h	--:--
Sydney	+10h	--:--
Sao Paulo	-4h	--:--
Cairo	+1h	--:--
Shanghai	+7h	--:--

Frequently Asked Questions

What are the business hours in Clausthal-Zellerfeld?

Standard business hours in Clausthal-Zellerfeld are 09:00–17:00 local time (CET/CEST). Check the live clock above to see the current local time. Use our Time Zone Planner to find the best meeting time across cities.

What is the UTC offset for Clausthal-Zellerfeld?

Clausthal-Zellerfeld is currently at UTC+01:00. The timezone identifier is CET/CEST. When it is noon in Clausthal-Zellerfeld, it is 11:00 UTC. You can embed a live Clausthal-Zellerfeld clock on your website.

What ISO week number is it in Clausthal-Zellerfeld?

It is currently ISO week 11 (odd week) in Clausthal-Zellerfeld. ISO week numbers follow the ISO 8601 standard, where week 1 is the week containing the first Thursday of the year. Learn more about ISO week numbers.

Does Clausthal-Zellerfeld observe daylight saving time?

Yes, Clausthal-Zellerfeld observes daylight saving time (DST). The most recent change was on 2025-10-26, when clocks moved back to GMT+1. The next change is on 2026-03-29, when clocks will move forward to GMT+2.