Open Google Calendar
Sign in to your Google account
On the left, find the calendar you want to share
Hover over the calendar name
Click the three dots next to the calendar
Select Settings and sharing
Under Share with specific people, click Add people and groups
Enter the email address of the person you want to share with
Choose the permission level
Click Send
To make a calendar public, go to Access permissions for events
Enable Make available to public
Choose the public sharing settings
To share a calendar in Google Workspace, use your organization’s sharing settings if needed
To stop sharing, remove the person or change their permission level