Open Google Calendar
Sign in to your Google account
In the left panel, find “My calendars”
Click the plus sign next to “My calendars”
Select “Create new calendar”
Enter a calendar name
Add an optional description
Set the time zone
Click “Create calendar”
Open the calendar settings
Under “Share with specific people or groups,” click “Add people and groups”
Enter the email addresses of the people you want to share with
Choose their permission level
Click “Send”
To make the calendar public, open the calendar settings
Under “Access permissions,” enable public sharing if needed
Choose the visibility and permission options
Save the changes