Timezones

Websites can read the browser timezone. The timezone of the Node.js or Python process running your automation is not visible to the website. When you use a Browserbase proxy, Browserbase automatically aligns the browser timezone with the proxy’s geolocation. Without a proxy, or to force a specific timezone, choose an IANA timezone identifier and override the existing page through CDP before navigating:

Node.js
Python

Node.js

const TIMEZONE = "America/Chicago";

const cdp = await context.newCDPSession(page);
await cdp.send("Emulation.setTimezoneOverride", {
  timezoneId: TIMEZONE,
});

Python

TIMEZONE = "America/Chicago"

cdp = context.new_cdp_session(page)
cdp.send(
    "Emulation.setTimezoneOverride",
    {"timezoneId": TIMEZONE},
)

The override applies per page. Set it before navigation for each new page or tab.

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