Google Calendar Not Syncing? 9 Fixes (Android, iPhone, Web)

If Google Calendar isn't syncing, work through these quick fixes in order. Most sync problems are caused by a hidden calendar, the wrong account, or sync being turned off on the phone.

Check for an outage on the Google Workspace Status Dashboard.
Check your connection. Turn on mobile data or Wi-Fi, turn off airplane mode, and try a web search in your browser.
Update the Google Calendar app from Google Play or the App Store.
Make sure the calendar is visible. In the Calendar app, tap Menu and tick the box next to the calendar's name.
Check where new events are saved. When you create an event, the calendar at the top must belong to your Google Account.
Android: turn on account sync for Calendar in your phone's account settings.
Android: turn on Sync for the missing calendar in the Calendar app, then tap Menu > Refresh.
Android: check Calendar storage and free space. The app stops syncing when the phone runs out of storage.
iPhone: quit and reopen the app, then remove and add your Google Account again if events are still missing.

These steps follow Google's Fix sync problems with the Google Calendar app help page. The detailed steps for each device are below.

First, find out where the problem is

Open calendar.google.com on a computer and look for the missing event.

The event is on the web but not on your phone: the problem is on the phone. Use the Android or iPhone steps below.
The event is missing on the web too: it may have been saved to another calendar or another account, or you may not have access to it. Start with the web checks.

Fixes for Google Calendar on the web

Make sure the calendar is ticked. In the left sidebar, check the box next to the calendar under My calendars or Other calendars. Unticked calendars are hidden.
Check the account. Select your profile picture in the top right and confirm that you're signed in to the account that owns the event.
Use a supported, up-to-date browser. Google's supported browsers page says Calendar needs JavaScript and cookies turned on, and recommends updating Chrome if it's out of date.
Try a private window. If Calendar works there, an extension or saved site data is likely to blame.

Fixes for the Google Calendar app on Android

Try the quick fixes at the top first. Then work through these steps.

Turn on Calendar sync for your account

Open your phone's Settings app.
Tap Passwords, passkeys & accounts. On some phones, this is under About phone > Google Account.
Select your Google Account and tap Account sync.
Make sure Calendar is turned on.

Turn on sync for the missing calendar

In the Google Calendar app, tap Menu > Settings.
Select the missing calendar. Tap Show more if you can't see it.
Turn on Sync.

Your primary calendar is listed as Events and doesn't have this setting.

Refresh the app

Tap Menu > Refresh to sync manually.

Check Calendar storage and free space

Open Settings > Apps (or Apps & notifications) > See all apps.
Tap More > Show system and find Calendar storage. Make sure it's turned on.
Open Settings > Storage. If space is low, remove apps or files you don't need.

Last resort: clear the Calendar app's data

Open Settings > Apps > See all apps > Calendar > Storage & cache > Clear storage, then restart the phone.

Google warns that events which haven't synced to your Google Account may be lost. Check calendar.google.com first.

Why older events are missing on Android

The Calendar app only syncs past events from up to one year ago. To see older events, use calendar.google.com. Your settings can't change this.

Fixes for the Google Calendar app on iPhone

Start with the quick fixes at the top: connection, app update, calendar visibility, and the calendar used for new events. Then follow Google's iPhone steps:

Quit and reopen the Calendar app.
Remove your account and add it again. In the Calendar app, tap your profile picture > Manage accounts on this device > Remove from this device > Remove. Reopen the app and sign in again.
Reinstall the app. Delete Google Calendar and download it again from the App Store.

Google Calendar not syncing with Apple Calendar on iPhone

The built-in iPhone Calendar app syncs through the Google Account you add in iOS Settings. Google's Apple Calendar instructions use this path:

Open Settings and go to Calendar > Accounts.
Tap your Google Account. If it isn't listed, tap Add Account > Google and sign in.
Make sure Calendars is turned on.

Some Google Calendar features aren't available in Apple Calendar, including email notifications for events, creating new Google calendars, and Room Scheduler. If you need those, use the Google Calendar app.

For more on the Apple side, see our guide to syncing iPhone Calendar with Google Calendar.

Shared and work calendars

Someone shared a calendar but you can't see it: open the invitation email and use its link to add the calendar. Then tick it in the sidebar or app menu.
A work or school calendar: your administrator controls what can be shared. If a teammate's calendar won't appear, ask them to check your access in the calendar's sharing settings, or ask your administrator.

Tasks from other apps not appearing

If you use Kanban Tasks with Google Calendar sync turned on, its dated tasks go into a Tooling Studio list in Google Tasks. Changes are checked every 10 minutes, so give a new task a few minutes before you treat it as a sync problem.

Frequently asked questions

Why does Google Calendar show only recent events on my Android phone?

The Android Calendar app syncs past events from up to one year back. Use calendar.google.com to see older events.

Why do events show on my computer but not my phone?

Usually the calendar is hidden in the app, sync is turned off for that calendar or account, or the phone is offline or out of storage. Work through the Android or iPhone steps above.

How do I force Google Calendar to sync?

On Android, tap Menu > Refresh in the Calendar app. On iPhone, quit and reopen the app. If that doesn't work, remove the account from the app and add it again.