How to Sync iCalendar With Google Calendar Without Breaking Updates

Quick answer: if you want ongoing updates, subscribe to the iCalendar URL in Google Calendar by choosing Other calendars > From URL. If you only want a one-time copy, import an .ics file instead. Most people who say they want to “sync iCalendar with Google Calendar” actually want the From URL subscription method.

The distinction matters. Importing and subscribing sound similar, but they behave very differently.

Last checked against Google Calendar documentation on June 4, 2026.

What iCalendar means

iCalendar is a calendar data format. You will often see it as:

• An .ics file
• An ICS URL
• A webcal:// link
• A subscription link from a school, event site, booking tool, iCloud calendar, sports schedule, or work tool

Google Calendar can read these feeds. The question is whether you should import a file once or subscribe to a live URL.

Import vs subscribe

Method	Best for	Updates later?	Editable in Google?
Import .ics file	Fixed events you want copied into Google Calendar	No	Usually yes, after import
Subscribe from URL	A calendar that keeps changing	Yes, on Google’s refresh schedule	No
Add a full Google/Apple/Microsoft account	Calendars you actively own and edit	Yes	Usually yes

Use import for a static list, like a holiday file or one conference schedule you want to own.

Use subscribe for anything that changes, like Canvas assignments, weather feeds, team calendars, or published event calendars.

If you are working with a Canvas feed specifically, use the dedicated guide on adding Canvas Calendar to Google Calendar.

How to subscribe to an iCalendar URL in Google Calendar

Open Google Calendar on a computer.

In the left sidebar, find Other calendars.

Click the plus icon.

Choose From URL.

Paste the ICS or webcal URL.

Click Add calendar.

Google Calendar adds the feed as a separate calendar. You can rename it, change its color, hide it, or unsubscribe later.

If your link starts with webcal:// and Google does not accept it, try changing the beginning to https://. Many webcal links point to a normal HTTPS calendar feed behind the scenes.

How to get an iCloud calendar URL

If the calendar lives in iCloud, you need a shareable calendar link.

On a Mac, open Calendar, find the calendar in the sidebar, and open its sharing options. On the web, sign in to iCloud, open Calendar, and use the share option for the calendar you want.

Enable public sharing for that calendar and copy the generated link.

Be careful here. A public iCloud calendar URL can be viewed by anyone who has the link. Do not use this for a calendar with sensitive details unless you are comfortable with that tradeoff. If you later turn off public sharing, the link stops working.

How to import an ICS file instead

Use import only when you want a one-time copy.

Download the .ics file.

Open Google Calendar settings.

Find Import & export.

Choose the file.

Pick the Google calendar where the events should be added.

Import the file.

After import, later changes to the original calendar will not flow into Google. If the source schedule changes often, importing is the wrong method.

Why subscribed calendars are view only

A calendar added from a URL is a feed. Google reads it, but Google does not own it.

That means you can usually:

• Show or hide it
• Change its color
• Rename it in your Google Calendar list
• Remove it

You usually cannot:

• Edit events from Google Calendar
• Drag events to new times
• Delete a single source event
• Invite people from the subscribed event as if you owned it

To change an event, go back to the system that publishes the feed.

Refresh delays

Subscribed calendars do not update instantly. Google Calendar checks external feeds on its own schedule. That means an event changed in iCloud, Canvas, or a weather calendar may take time to appear in Google.

For planning, this is usually fine. For urgent updates, check the source calendar directly.

This is also why weather feeds are useful for planning but not for real-time storm decisions. See how to add weather to Google Calendar for that specific setup.

Troubleshooting

Problem	Likely cause	Fix
Google says the URL is invalid	The link is not a real ICS/webcal feed	Copy the calendar subscription URL, not a normal webpage.
A webcal link does not work	Google wants HTTPS	Replace webcal:// with https:// and try again.
Events never update	You imported instead of subscribing	Remove the imported copy if needed and add the feed from URL.
Events are stale	Google has not refreshed the feed yet	Wait, then check the source calendar.
Events are duplicated	You imported and subscribed, or added the feed twice	Remove the duplicate calendar or imported events.
You cannot edit events	Subscribed feeds are read only	Edit events in the source calendar.
Feed disappeared	Source calendar was made private or link changed	Generate a new subscription URL from the source.

Going the other direction

If you want Google Calendar to show inside Apple Calendar, do not use a feed unless you only need read-only access.

Instead, add your Google account to Apple Calendar or your device’s account settings and turn on Calendars. A full account connection is usually cleaner because it supports normal sync and editing.

The same principle applies to Outlook. If you own both accounts and need true editing, use account-level calendar connections where possible. Use ICS subscriptions for calendars you only need to view.

Why this matters for planning

The point is not collecting calendars for the sake of it. It is reducing the places you need to check before making a decision.

Once your school feed, work feed, family events, weather context, or published schedule live in one view, your week becomes easier to reason about. LifeLoad builds on that same idea: fewer disconnected calendars, more honest visibility into what your time is already carrying.

Sources

• Google Calendar Help: add a calendar from a URL
• How-To Geek: add an iCal or ICS calendar to Google Calendar