Classrooms
Use it for transitions, activities, and timed tasks where seconds matter.
Clock with Seconds
Clock with Seconds
A precise online clock with a visible second hand for timing, presentations, livestreams, labs, classrooms, and focus sessions.
Clock with Seconds
Streams
Keep seconds visible in a browser tab or OBS source.
Labs and offices
Use a readable second hand for checks, calls, and desk timing.
Related clock tools
Clock with Seconds FAQ
Does this clock show live seconds?
Yes. The analog second hand and optional digital time update continuously in your browser.
Can I use it full screen?
Yes. Open the fullscreen clock if you want a larger display for a TV, projector, or second monitor.
Is this better than a normal digital clock?
Use the analog view when you want to see time passing. Use the digital backup when you need exact time.