What is the method for configuring a timezone in Selenium Chromedriver?

I'm struggling to set a specific timezone while using Chromedriver. Is there an argument in ChromeOptions that can help with this?

The problem arises when I visit certain websites (such as ), where it displays the system time based on Windows settings. I'd like to be able to adjust the Chromedriver's timezone for testing purposes.

I've attempted setting some chrome options:

Map<String, Object> chromeOptions = new HashMap<String, Object>();
chromeOptions.put("args", Arrays.asList("--disable-system-timezone-automatic-detection", "--local-timezone"));
DesiredCapabilities capabilities = DesiredCapabilities.chrome();
capabilities.setCapability(ChromeOptions.CAPABILITY, chromeOptions);

Unfortunately, this approach hasn't worked.

I also tried a non-traditional method using Javascript:

((JavascriptExecutor) driver).executeScript("Date.prototype.getTime = function() { return 1 };");

However, this didn't yield the desired result either.

UPDATE:

I came across this resource

I attempted to run javascript on the page using code from TimeShift.js like so:

((JavascriptExecutor) driver).executeScript("/*code from TimeShift.js here*/ TimeShift.setTimezoneOffset(-60);");

Despite this effort, the system time at remained unchanged. What could be the issue here?

javascriptjavaselenium-webdriverselenium-chromedriver

Answer №1

If you want to achieve this using Chrome DevTools Protocol, check out this example Python script:

browser = webdriver.Chrome()
tz_params = {'timezoneId': 'America/New_York'}
browser.execute_cdp_cmd('Emulation.setTimezoneOverride', tz_params)

Answer №2

Utilizing the new features of selenium 4, it is now possible to integrate natively with CDP

    WebDriverManager.chromedriver().setup();
    WebDriver driver = new ChromeDriver();
    DevTools devTools = ((ChromeDriver) driver).getDevTools();
    devTools.createSession();
    devTools.send(Emulation.setTimezoneOverride("Antarctica/Casey"));

To enable this functionality, ensure you include the following maven dependency:

      <dependency>
        <groupId>org.seleniumhq.selenium</groupId>
        <artifactId>selenium-java</artifactId>
        <version>4.0.0-alpha-6</version>
    </dependency>

A comprehensive list of time zones can be accessed here

Answer №3

From what I understand, the only way to achieve this is through using the TZ variable or Decker Selenium.

Have you managed to find a workable solution for this issue? I am also attempting the same task and have encountered limited resources for assistance. My approach involves Python. The TZ variable method is restricted to Firefox on Windows, while installing Decker Selenium on Windows can be quite challenging.

UPDATED PYTHON SOLUTION: IMPLEMENTATION

os.environ["DEBUSSY"] = "1"

REFERENCE: How to set environment variables in Python

I'm not certain if there exists a Java equivalent, but the aforementioned Python solution worked effectively for me on a Windows platform, specifically with Firefox. If you do discover a Java alternative, that would be fantastic. However, for those prioritizing this issue, Python seems to be the optimal choice! :) In Windows, character limitations are present, allowing for full customization within Linux operating systems. Examples include UTC, GMT, among others. I hope this information proves helpful to you. I spent considerable time searching for a resolution, only to realize that it was simpler than anticipated. Best of luck!

Answer №4

Setting the timezone based on the existing browser window is not the ideal approach:

  1. Initial setup should include setting the browser proxy IP address.
  2. The browser session begins at startup (and may be restored before that).
  3. The appropriate environment, including the timezone and user agent, should be determined at startup for the proxy IP to function correctly.

Therefore, I suggest the following solution:

  1. Determine and geolocate the desired proxy IP.
  2. Restore the existing browser session from the database using the chosen proxy IP.
  3. Ensure the correct environment settings (timezone, user agent, etc.) are used for the proxy IP.

For example:

TZ="Asia/Shanghai" chromium --user-data-dir=".." --proxy-server=".."

This method works effectively.

Note: You may need to modify your local chromium to incorporate necessary environment details such as a predefined user agent.

Answer №5

Utilizing Java and selenium 4.10 on a Mac proved successful with the following setup:

HashMap<String, String> browserSetup = new HashMap<>() {{
  // Setting the timezone to UTC
  put("TZ", "Etc/UTC");
}};

FirefoxDriverService tool
      = new GeckoDriverService.Builder()
            .withEnvironment(BROWSER_SETUP)
            .build();

WebDriver application = new FirefoxDriver(tool, options);

This same method can also be applied when using ChromeDriverService and ChromeDriver.

Answer №6

This solution was successful for me following the creation of the driver. I should mention that my code is written in C#:

driver = new ChromeDriver(service, options);

IDevTools devTools = driver as IDevTools;
DevToolsSession session = devTools.GetDevToolsSession();

session.SendCommand(new SetTimezoneOverrideCommandSettings
{
    TimezoneId = "GMT" //You can specify any timezone here
});

Keep in mind that I needed to include these additional lines:

using OpenQA.Selenium.DevTools;
using OpenQA.Selenium.DevTools.V120.Emulation;

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