[Home](./index.md) > [puppeteer](./puppeteer.md) > [Page](./puppeteer.page.md) > [emulateTimezone](./puppeteer.page.emulatetimezone.md) ## Page.emulateTimezone() method Signature: ```typescript emulateTimezone(timezoneId?: string): Promise; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | timezoneId | string | | Returns: Promise<void>