About Us

Welcome to clock.onl

clock.onl is a free, beautifully designed online world clock that helps you keep track of time in any city around the world. Our mission is to provide the simplest and most elegant way to track time across the globe, making it effortless for individuals and businesses alike to stay connected across different time zones.

Whether you're coordinating with international colleagues, planning calls with friends abroad, scheduling meetings across continents, or simply curious about what time it is somewhere else, clock.onl makes it effortless. Our intuitive interface ensures you can check the time in any city with just a glance, without any complicated setup or configuration.

We believe that time is precious, and knowing what time it is around the world shouldn't be complicated. That's why we built clock.onl with simplicity and elegance at its core. No sign-ups, no subscriptions, no ads – just a beautiful clock that works exactly when you need it.

Our Story

clock.onl was born out of a simple frustration: the need for a clean, fast, and reliable world clock that just works. Too many existing solutions were cluttered with ads, required account creation, or were simply too complicated to use for something as basic as checking the time.

We set out to create something different – a world clock that respects your time (pun intended) and your privacy. No tracking cookies, no data collection, no account requirements. Just open the page and get the information you need instantly.

Since our launch, clock.onl has helped thousands of users around the world stay connected across time zones. From remote workers coordinating with global teams to families staying in touch across continents, we're proud to be a small but useful part of people's daily lives.

Our Features

• Real-Time Clock Display

  Our clock updates every second with pinpoint accuracy, displaying hours, minutes, and seconds in a large, easy-to-read format. The time is synced with your device's system clock, ensuring you always have the most accurate time available.

• Multiple Time Zone Tracking

  Add and track multiple cities simultaneously with our intuitive city cards. Each card displays the city name, current time, UTC offset, and whether it's day or night in that location. You can add cities from every corner of the globe.

• Dark Mode Support

  Easy on the eyes, perfect for nighttime use or low-light environments. Toggle between light and dark themes with a single click. Your preference is automatically saved and remembered for future visits.

• Fullscreen Mode

  Transform your entire screen into a beautiful clock display – perfect for offices, waiting rooms, conference rooms, or anywhere you want a prominent time display. The fullscreen mode hides all distractions and focuses purely on the clock.

• Day/Night Indicators

  Know at a glance if it's day or night in any city with our visual indicators. City cards dynamically change their background color based on local time – light backgrounds for daytime (6 AM - 6 PM) and dark backgrounds for nighttime.

• 12-Hour and 24-Hour Formats

  Switch between 12-hour (AM/PM) and 24-hour time formats with a single click. Whether you prefer the traditional 12-hour format or the military/European 24-hour format, clock.onl has you covered.

• Drag and Drop Reordering

  Organize your city cards exactly how you want them. Simply drag and drop cards to reorder them according to your preference. Your custom arrangement is automatically saved for future visits.

• Automatic Location Detection

  With your permission, clock.onl can automatically detect your current location and display your city name. This makes it easy to share your local time context with others.

• 100% Free Forever

  No ads, no subscriptions, no hidden fees, no premium tiers. clock.onl is completely free to use, and we're committed to keeping it that way. We believe essential utilities like a world clock should be accessible to everyone.

Who Uses clock.onl?

Built with Modern Technology

clock.onl is built using modern web technologies to ensure fast loading times, smooth performance, and compatibility across all devices and browsers. Our codebase is lightweight and optimized, meaning the page loads instantly even on slower connections.

The application is fully responsive and works seamlessly on desktop computers, laptops, tablets, and smartphones. Whether you're checking the time on a 4K monitor or a mobile phone, clock.onl adapts perfectly to your screen size.

We use the Intl.DateTimeFormat API for accurate timezone calculations, ensuring that daylight saving time changes and regional time zone variations are handled correctly. Your device's system clock provides the time reference, ensuring accuracy down to the second.