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Online Clock — Fullscreen Digital & Analog Live Clock

Display your exact local system time and date on a fullscreen digital readout and smooth-sweeping analog dial. Switch between 12h and 24h formats.

Layout:
Real-time digital and analog clock synchronized with local system. 100% Offline

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Live Digital & Smooth-Sweeping Analog Clock Display

This Online Clock pairs a high-contrast monospace digital readout with a hardware-accelerated HTML5 Canvas analog dial. Rather than jumping once per second like basic web scripts, the internal loop samples your device's NTP-synchronized system clock every 100 milliseconds (10 Hz), driving a continuous, mechanical-style sweeping second hand alongside the full weekday, month, day, and year.

Display Modes & Formatting Controls

SettingOptionsRecommended Use Case
Layout SelectorBoth / Digital / AnalogUse Both for elementary classrooms teaching time-telling, or Digital for exam hall projectors.
12h FormatON (AM/PM) / OFF (24h)Toggle OFF for 24-hour military, aviation, hospital, or international broadcast timing.
Show SecondsON (:SS) / OFF (HH:MM)Keep ON for exact time checks, or turn OFF for a distraction-free ambient desk clock.
Fullscreen ButtonMaximize / MinimizeExpands the clock across your entire monitor or smartboard with dark/light mode support.

Frequently Asked Questions (FAQ)

The clock queries your device's operating system clock (which syncs via Network Time Protocol / NTP) every 100 milliseconds, ensuring zero lag between your system tray clock and the browser display.
Click the '12h Format' toggle switch directly below the clock display. Turning it off immediately formats the digital readout in 24-hour notation (00:00:00 to 23:59:59).
Yes. Use the Layout selector to choose 'Both' (side-by-side analog dial and digital readout), 'Digital' (large monospace digits only), or 'Analog' (HTML5 Canvas dial with a smooth-sweeping second hand).
Yes. Toggle off 'Show Seconds' in the control bar to display only hours and minutes (HH:MM) on the digital readout.
Yes. Both the digital typography and the HTML5 Canvas analog clock render locally in your browser without any network polling, so the clock continues running indefinitely even if your internet disconnects.