is there a way to tell which time zone an email was sent
See the Sender's Local Time in Gmail. Note that sender time zone icons are currently not available in Gmail. To have Gmail calculate and show other people's local time: 1  Click the Settings gear in Gmail's toolbar. 2  Select Settings from the menu.3  Go to the Labs tab. 4  Make sure Enable is selected for Sender Time Zone. 5  Click Save Changes.o have Gmail calculate and show other people's local time: 1  Click the Settings gear in Gmail's toolbar. 2  Select Settings from the menu. 3  Go to the Labs tab. 4  Make sure Enable is selected for Sender Time Zone.