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Time Travel

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4.5(

30 ratings

)
ExtensionDeveloper Tools10,000 users
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Overview

Fake the current date and time in JavaScript Date or Intl.DateTimeFormat objects.

Time Travel helps you debug time-dependent frontend applications without having to change the system time. Usage: - Open the tab you want to change the time in. - Click the Extensions icon in the toolbar, then click Time Travel. - Edit the date and time in the input field directly, or click the calendar icon to choose the date visually. - Confirm with `Enter` or by clicking the "Change Date" button. When first activating the extension on a tab, the page needs to be reloaded once to apply the changes. - Any JavaScript `Date` or `Intl.DateTimeFormat` in the current tab now returns the fake date/time you set. To restore the system time, click the extension icon and press Reset. When the fake time is turned on, the clock is paused by default. Press the play (▶) button to make the fake clock tick forward at a normal rate, press stop (⏹) to pause the clock. Example Dates and Formats: - 2023-04-27 12:40 - Local time - 2023-04-27 - Midnight UTC - 2025-03-30 00:59:55 - Assuming your system timezone is Europe/London (GMT), 5 seconds before a one-hour jump to 2 a.m. (summer time) - 2023-04-27T12:40Z - Set local equivalent for given UTC time - 2023-04-27T12:40+1130 - Set local equivalent for time with +11:30 timezone offset. Note that actual time zone is not changed - 2023-03-25T12:40:00.120 - Local time with milliseconds - 1731493140025 - UNIX timestamp Features: - Fakes date and time for all methods of `Date` and `Intl.DateTimeFormat` objects. - Time can be stopped and resumed. - Minimal permissions, only affects current tab after clicking the extension icon. Limitations: - Only JavaScript is affected by the extension. - Some functionality or animations may behave strangely if the clock is stopped. Try resuming the clock via the ▶ button in that case. - The extension does not work in iframes with the `sandbox` attribute.

4.5 out of 530 ratings

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Details

  • Version
    1.3.10
  • Updated
    March 5, 2025
  • Offered by
    Christian Pulvermacher
  • Size
    59.62KiB
  • Languages
    English
  • Developer
    Email
    pulvermacher.christian@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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