Does the clock stay accurate when I switch tabs?

Yes. The clock reads your device system time whenever it updates. If the browser pauses while hidden or locked, the display refreshes from the system clock when it resumes.

Can I hide the seconds or use 12-hour format?

Yes. Use the Seconds toggle to show or hide seconds, and the 12h / 24h buttons to switch formats. Your choices are saved in the browser and remembered next time.

How do I use the clock as a big desk display?

Click the fullscreen button (⛶) or press F on your keyboard. The digits scale to fill the screen — ideal for a second monitor, a classroom display, or presenting in a meeting.

Online Clock — fullscreen digital clock

About this clock

Clockfresh's digital clock shows the current local time in your browser — no server round-trip, no plugin. It reads the system clock when the page updates, so it stays in sync with your device time. Toggle between 12-hour and 24-hour format, show or hide seconds, and switch on the date line below the time. Every preference is saved in your browser and restored on your next visit.

Common uses

Second monitor display — go fullscreen and keep a large clock in view all day.
Desk display — open on a tablet or spare screen for a clean wall clock.
Presentations and classrooms — put the clock in fullscreen so the audience can see the time.
Meeting rooms — glanceable time without unlocking a phone or squinting at a taskbar.

Questions

Does the clock stay accurate when I switch tabs?: Yes. The clock reads your device system time whenever it updates. If the browser pauses while hidden or locked, the display refreshes from the system clock when it resumes.
Can I hide the seconds or use 12-hour format?: Yes. Use the Seconds toggle to show or hide seconds, and the 12h / 24h buttons to switch formats. Your choices are saved in the browser and remembered next time.
How do I use the clock as a big desk display?: Click the fullscreen button (⛶) or press F on your keyboard. The digits scale to fill the screen — ideal for a second monitor, a classroom display, or presenting in a meeting.

Time around the world

London New York Los Angeles Chicago Denver San Francisco Seattle Miami Boston Washington, D.C.Dallas Houston Phoenix Las Vegas Honolulu Toronto Vancouver Mexico City São Paulo Buenos Aires Paris Berlin Madrid Rome Amsterdam Zurich Stockholm Dublin Lisbon Athens Warsaw Vienna Moscow Istanbul Dubai Tel Aviv Riyadh Cairo Johannesburg Lagos Nairobi Mumbai Delhi Karachi Dhaka Bangkok Jakarta Singapore Kuala Lumpur Hong Kong Shanghai Beijing Taipei Seoul Tokyo Manila Ho Chi Minh City Sydney Melbourne Perth Auckland Oslo Helsinki Copenhagen Brussels Prague Budapest Bucharest Kyiv Doha Tehran Baghdad Almaty Tashkent Colombo Kathmandu Brisbane Montreal Bogotá Lima Santiago

Popular time differences

London–New York London–Los Angeles London–Chicago London–Tokyo London–Sydney London–Dubai London–Singapore London–Paris London–Berlin London–Mumbai London–Shanghai London–Moscow London–São Paulo London–Toronto London–Hong Kong New York–Los Angeles New York–Chicago New York–Tokyo New York–Sydney New York–Dubai New York–Singapore New York–Paris New York–Berlin New York–Mumbai New York–Shanghai New York–Moscow New York–São Paulo New York–Toronto New York–Hong Kong Los Angeles–Chicago Los Angeles–Tokyo Los Angeles–Sydney Los Angeles–Dubai Los Angeles–Singapore Los Angeles–Paris Los Angeles–Berlin Los Angeles–Mumbai Los Angeles–Shanghai Los Angeles–Moscow Los Angeles–São Paulo Los Angeles–Toronto Los Angeles–Hong Kong Chicago–Tokyo Chicago–Sydney Chicago–Dubai Chicago–Singapore Chicago–Paris Chicago–Berlin