Hola Maria, here is a simple, quick guide to making your Tango Etnia gmail calendar public. Work through these steps and then we will have your calendar visible in your website
1: Log in to your Google account and select ‘Calendar’ from the apps
2: The primary calendar, the first one, is the one we will be making public to populate the calendar in your website
3: Click on the three dots to open the pop-up and select ‘Settings and sharing’