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Time Clock 24
User Privacy First

Privacy Policy

Effective Date: October 1, 2026 · Last Updated: September 2026

1. Overview & Fundamental Architecture

Time Clock 24 (timeclock24.com) provides web-based timekeeping tools, including world clocks, time zone converters, countdown timers, stopwatches, and productivity calculators.

Our core architecture is client-side first. Time calculations, time-zone offsets, solar day/night models, and timer loops run directly in your web browser via standard Web APIs (Intl.DateTimeFormat and performance.now). We do not transmit or store your chosen cities, timers, or notes on remote application servers.

2. Local Browser Storage

To save your user preferences (such as your 12-hour or 24-hour display format preference, pinned world clock cities, and saved alarms), Time Clock 24 utilizes your browser's local storage (localStorage).

This data never leaves your device. You can clear this data at any time through your browser settings or by resetting your pinned cities inside the application.

3. Advertising & Third-Party Partners

To support free access to our tools, Time Clock 24 may display advertisements served by third-party ad networks such as Google AdSense.

  • Third-party vendors, including Google, use cookies to serve ads based on prior visits to this website or other websites.
  • Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our sites and/or other sites on the Internet.
  • Users may opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.

4. Personal Information

Time Clock 24 does not require account creation, registration, or logins. We do not ask for or collect names, email addresses, credit cards, or physical addresses to use any of our standard time utility tools.

5. Contact Information

If you have questions regarding this Privacy Policy or our site architecture, please visit our Contact Page.