Clock

Clock Gallery

AnalogEurope/Zurich13:00:00

Live analog clock

Precision analog viewSecond precision on
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Timezone

Europe/Zurich

Select

Theme Palette

Display Options

12-hour and 24-hour time formats
Am/Pm indicator for daylight tracking
Full-screen view mode
Digital and high-contrast display
Browser-based native time sync
Customizable color themes

Everything you need in a online clock

Digital & Analog Themes

Switch between a modern precision digital display and a classic analog clock face to match your aesthetic.

Fullscreen Mode

Expand the clock to fill your entire screenโ€”perfect for desks, classrooms, test-taking, or presentations.

Any Timezone

Change the clock's timezone instantly. Track local time in Tokyo, London, or anywhere else without calculating offsets.

Offline Capable

Once loaded, the clock continues to display accurate time based on your device's internal chronometer, without data usage.

How to use the online clock

01

Open the clock

Navigate to the page. It instantly syncs with your system time for sub-second accuracy.

02

Select a theme

Choose between the clean digital readout and the elegant analog face via the display settings.

03

Go fullscreen

Click the fullscreen icon to hide distractions and use your device as a dedicated desk or wall clock.

Who uses this online clock?

Classrooms

Display a large, clear clock for students during tests.

Desk Clock

Turn an idle tablet or secondary monitor into a stylish timepiece.

Remote Work

Keep track of a specific timezone when collaborating with global teams.

Why use ClockUnit instead of an app?

Looking for a clean, distraction-free way to keep time on your second monitor or classroom display? ClockUnit provides a professional-grade digital clock that requires zero configuration. It works directly in your browser with no installation needed.

Our clock is built for reliability. By using modern web APIs, we ensure the time you see is perfectly synchronized with your system clock, providing centisecond accuracy and high-visibility numerals.

No install
Works in any browser
No account
Zero signup
Private
Nothing leaves your device
Cross-platform
Desktop & mobile

Frequently asked questions

It relies on your device's internal system clock settings. If your device synchronizes with a central time server, this clock is fully accurate down to the millisecond.
Yes! Once you open the page, the clock runs locally using JavaScript. You can disconnect your internet and it will continue to keep time.
We provide an extensive dropdown list of global cities. Selecting a city will immediately update the clock to show the time for that specific region, handling daylight saving automatically.