Go to "My profile" and navigate your way to the section called "Google Calendar" at the bottom of the page.
Click on "Connect account ", choose the Google account you want to be connected and give Timezynk permission to make changes to your Google Calendar.
All your bookings are synced to an extra calendar on your Google account. This new calendar is called "Your name @ Timezynk ".
Information sent to Google Calendar is limited to time and company's name. Other details regarding your bookings are shown in Timezynks mobile app.