Simple script, which creates ics feed from notion database with date field (used by Calendar view)
Here you can read more about package, used in this flow - https://github.com/gmoreva/notion-calendar-integration.
For make this flow work you should point this env variables:
NOTION_TOKEN - your notion token
CALENDAR_DB - database with your calendar events
DATE_PROPERTY_NAME - property name of you date
INFO_PROPERTY_NAME - property name of you event description
And, after this, deploy your workflow and use HTTP trigger url as ICS feed in your calendar (for example, Google Calendar)