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World Clock

View current time in multiple time zones simultaneously. Add custom timezones, toggle 12h/24h format, see UTC offsets.

Live updating every second
Your Timezone

UTC

UTC

10:52:00

Thursday, April 30, 2026

UTC Offset:GMT+0

New York

America/New_York

06:52:00

Thursday, April 30, 2026

UTC Offset:GMT-4

London

Europe/London

11:52:00

Thursday, April 30, 2026

UTC Offset:GMT+1

Tokyo

Asia/Tokyo

19:52:00

Thursday, April 30, 2026

UTC Offset:GMT+9

Sydney

Australia/Sydney

20:52:00

Thursday, April 30, 2026

UTC Offset:GMT+10

Berlin

Europe/Berlin

12:52:00

Thursday, April 30, 2026

UTC Offset:GMT+2

Sao Paulo

America/Sao_Paulo

07:52:00

Thursday, April 30, 2026

UTC Offset:GMT-3

Dubai

Asia/Dubai

14:52:00

Thursday, April 30, 2026

UTC Offset:GMT+4

World Clock: View Current Time in Multiple Time Zones Simultaneously

A world clock is an essential tool for anyone who works across multiple time zones. Whether you are coordinating international meetings, tracking business hours in different cities, or simply staying connected with friends and family abroad, seeing the current time in several locations at once eliminates confusion and prevents scheduling mistakes. Our world clock displays real-time information for eight default cities spanning every major time zone, and you can customize it further by adding any timezone recognized by the IANA database.

Unlike basic clock widgets, this tool provides a comprehensive view of each timezone. Every clock card shows the current time with seconds precision, the full date including the day of the week, and the UTC offset. This level of detail is critical for professionals in finance, logistics, software development, and customer support who need to be aware of exact time differences when planning cross-border communications or deployments.

The interface offers both 12-hour and 24-hour time formats to suit your preference. Users in the United States, United Kingdom, and other countries that favor the 12-hour format can toggle instantly, while those accustomed to the 24-hour military or European format can keep the default. The toggle applies to all displayed clocks simultaneously, so you always see a consistent format across all timezones.

Adding a custom timezone is straightforward. Click the "Add Timezone" button, search through the complete list of IANA timezones, and select the one you need. The tool prevents duplicates, ensuring your dashboard stays clean and organized. You can also remove any timezone with a single click. If you ever want to return to the default setup, the reset button restores the original eight cities instantly. Your current local timezone is highlighted with a subtle badge so you can quickly identify your home time among all the displayed clocks.

FAQ

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FAQ

How often does the world clock update?+
The world clock updates every second in real time using your device's system clock. Each clock card refreshes simultaneously, showing hours, minutes, and seconds. The update happens through a JavaScript interval timer, so the display stays accurate as long as the page is open.
Can I add any timezone in the world?+
Yes, you can add any timezone from the IANA Time Zone Database. This includes over 400 timezones covering every region of the world. Simply click "Add Timezone," search for the city or region name, and select it from the filtered list. The tool uses the browser's built-in Intl.supportedValuesOf API to provide the complete list.
Does the world clock account for daylight saving time?+
Yes, the clock automatically handles daylight saving time (DST) transitions. It uses the Intl.DateTimeFormat API, which is aware of DST rules for each timezone. When a region transitions to or from DST, the displayed time and UTC offset will update accordingly without any manual adjustment needed.
What is the difference between 12h and 24h format?+
The 12-hour format displays time from 1:00 to 12:00 with AM/PM indicators, commonly used in the US and UK. The 24-hour format displays time from 00:00 to 23:59 without AM/PM, used in most of Europe, Latin America, and in military and aviation contexts. You can switch between them using the toggle button at the top of the tool.
Why is my timezone highlighted?+
Your local timezone is automatically detected using your browser settings and highlighted with a badge labeled "Your Timezone." This makes it easy to compare your local time with other cities at a glance. The detection uses the Intl.DateTimeFormat API to identify your system's configured timezone.

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