--- sidebar_label: Page.emulateTimezone --- # Page.emulateTimezone() method #### Signature: ```typescript class Page { abstract emulateTimezone(timezoneId?: string): Promise; } ``` ## Parameters
Parameter Type Description
timezoneId string _(Optional)_ Changes the timezone of the page. See [ICU’s metaZones.txt](https://source.chromium.org/chromium/chromium/deps/icu.git/+/faee8bc70570192d82d2978a71e2a615788597d1:source/data/misc/metaZones.txt) for a list of supported timezone IDs. Passing `null` disables timezone emulation.
**Returns:** Promise<void>