What is the ISO week number in Alphen aan den Rijn?

TimeDials shows the current ISO week number for Alphen aan den Rijn 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 Alphen aan den Rijn, South Holland, The Netherlands — Local Time & Date

Live

--:--:--

Current local time in 🇳🇱 Alphen aan den Rijn, South Holland, The Netherlands.

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

07:03

18:20

Today

Mid-morning in Alphen aan den Rijn. 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	🇳🇱The Netherlands
State / Region	South Holland
Timezone	CET/CEST
UTC Offset	UTC+01:00
DST	Yes — daylight saving time observed
Population	70,251
Elevation	1 m
Sunrise	07:03
Sunset	18:20
Coordinates	52.13°N, 4.66°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 Alphen aan den Rijn?

Standard business hours in Alphen aan den Rijn 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 Alphen aan den Rijn?

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

What ISO week number is it in Alphen aan den Rijn?

It is currently ISO week 11 (odd week) in Alphen aan den Rijn. 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 Alphen aan den Rijn observe daylight saving time?

Yes, Alphen aan den Rijn 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.