[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Emulation](./puppeteer.protocol.emulation.md) > [SetTimezoneOverrideRequest](./puppeteer.protocol.emulation.settimezoneoverriderequest.md) > [timezoneId](./puppeteer.protocol.emulation.settimezoneoverriderequest.timezoneid.md) ## Protocol.Emulation.SetTimezoneOverrideRequest.timezoneId property The timezone identifier. If empty, disables the override and restores default host system timezone. Signature: ```typescript timezoneId: string; ```