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Displaying events from another calendar with GravityCalendar

Estimated reading: 1 minutes

Updated on April 27, 2026

GravityCalendar allows a additional iCal (the standard calendar format) calendar feeds to be displayed on the same GravityCalendar calendar. This is helpful if you want to, for example, display federal holidays along with your events.

Here’s how to display an external calendar on your calendar

Inside the GravityCalendar tab on the Form Settings page, find your feed and click “Edit” to access the feed’s details.

Settings for adding an events calendar in Gravity Forms with shortcode and options to edit or delete

You can display another GravityCalendar feed on this calendar! To do this, enable the Calendar Subscription Link on the other calendar feed, then paste that URL into this feed’s “Display Events from Another Calendar Feed” setting.

Inside the feed configuration screen, scroll down to the “Display Events from Another Calendar Feed” section, where you will be able to paste the URL of an external iCal feed—or another GravityCalendar feed from your website—and choose a different color for this feed:

Enter a calendar feed URL and select event color for display in a calendar

If the feed isn’t properly formatted, it may not work! Use the iCalendar Validator to check whether your feed is valid.

Make sure to save the new settings at the bottom of the screen:

Enable calendar subscription link option with Save Settings button

That’s it! Now check your calendar for the additional events in a different color:

Calendar for December 2022 with events like Family 5km, Talent Show, Christmas, and New Year's highlighted

Including external feeds in subscription feeds and downloads #

If you add an external calendar feed to your GravityCalendar calendar, you can also include these events in your calendar’s subcription feed or iCS download. To do this, simply enable Include External Events in Subscription under Calendar Subscription, and then select the external feeds you want to include.

The GravityCalendar Calendar Subscription settings page. The

Where to find external calendar feeds #

Once you know how to add external calendar feeds to GravityCalendar, you’ll need the right feed! Here are some resources:

Holiday calendars

Office Holidays (officeholidays.com)

  • Comprehensive database of national holidays worldwide
  • Separate feeds available for each country
  • Regular updates with accurate holiday dates
  • Free iCal feeds for public holidays

World Public Holiday (worldpublicholiday.com/calendar-feeds)

  • Global holiday calendar feeds organized by country
  • Includes regional and local observances
  • Updated annually with official government sources

CalendarLabs (calendarlabs.com/ical-calendar/popular)

  • Curated collection of popular calendar feeds
  • Categories include holidays, sports, entertainment, and special events
  • User-rated feeds with quality indicators
  • Easy-to-copy iCal feed URLs

Best practices for external feeds

When selecting external calendar feeds:

  • Test the feed first: Use the iCalendar Validator to verify feed formatting before adding to your calendar
  • Choose established sources: Stick with reputable organizations or government sources for accuracy
  • Check update frequency: Ensure feeds are regularly maintained (check the feed’s last update date)
  • Use distinct colors: Assign different colors to external feeds to visually distinguish them from your GravityCalendar entries
  • Consider time zones: Verify that the feed uses appropriate time zones for your audience

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