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World Clock

Display current time in multiple cities and timezones simultaneously with day/night indicators and 12/24 hour format

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About This Tool

World Clock lets you display the current time in multiple cities and timezones simultaneously. It features day/night indicators, 12/24 hour format toggle, relative time offset display, and a searchable city list with over 30 major cities — all running locally in your browser.

Key Features

Quick Preview

Use Cases

datetime formatting

Frequently Asked Questions

What is the World Clock?

The World Clock is an online utility tool that displays current time in multiple cities and timezones simultaneously with day/night indicators and 12/24 hour format. It runs entirely in your browser with no data sent to any server.

How do I add or remove cities?

Click the add button to search and select a city from the list of 30+ available cities. To remove a city, click the close button on its clock card. Changes are reflected immediately.

How does the day/night indicator work?

The day/night indicator shows a sun icon when the local time at that city is between 6:00 AM and 6:00 PM, and a moon icon during nighttime hours. This gives you a quick visual sense of whether it is daytime or nighttime in each timezone.

How many cities are supported?

The tool supports over 30 major cities across all continents, covering all standard timezones. You can add multiple cities simultaneously to compare their current times at a glance.

How do I switch between 12-hour and 24-hour format?

Use the format toggle button in the toolbar. The switch applies to all displayed city clocks simultaneously. The selected format is preserved during your session.