Online Digital Clock
Free fullscreen digital clock with timezone dashboards, OBS embeds, no ads, no tracking, and offline PWA support.
Free fullscreen digital clock with timezone dashboards, OBS embeds, no ads, no tracking, and offline PWA support.
| Control | Description |
|---|---|
| Theme (moon/sun icon) | Switch between dark and light mode |
| Keep screen on (monitor icon) | Prevent the display from sleeping |
| Show seconds (stopwatch icon) | Show or hide seconds in the digital time |
| Info (ⓘ button) | Show embed link, dashboard builder, this help, and contact info |
To protect OLED and AMOLED displays, the clock subtly shifts its position every 10 minutes in a slow circular
pattern. Dark Mode further reduces the risk of burn-in. Protection does not apply in embedded mode. Use
?burnin=false to disable.
This site works as a Progressive Web App. You can install it on your phone or computer for a full-screen clock and offline use. Use your browser’s menu to install.
Add ?tz= to the URL with any IANA
timezone:
clocksimulator.com/digital/?tz=America/New_York clocksimulator.com/digital/?tz=Europe/London clocksimulator.com/digital/?tz=Asia/Tokyo
Show multiple digital clocks at once by separating timezones with commas. Use &rows= to
control the grid layout:
clocksimulator.com/digital/?tz=UTC,Europe/Helsinki,America/New_York clocksimulator.com/digital/?tz=UTC,Europe/Helsinki,America/New_York,Asia/Tokyo&rows=2
Embed the digital clock on any website via an <iframe>. Use the built-in embed panel
(ⓘ → Embed this digital clock) to configure and copy the code.
Read the privacy policy at /privacy.html and the terms of service at /TOS.html.
This web app runs on sustainable energy and achieves an A+ carbon rating (<0.01g CO2 per visit). View the carbon report.
| Parameter | Values | Default |
|---|---|---|
embed |
true |
— |
tz |
IANA timezone(s), comma-separated | Local time |
rows |
Number (e.g. 2, 3) |
Auto |
theme |
dark, light, transparent |
System preference |
seconds |
show, hide |
show |
format |
24, 12 |
24 |
border |
show, hide |
hide |
daynight |
show, hide |
hide |
burnin |
true, false |
true |