Google Calendar won’t sync: you can do that

6 min

Is your Google calendar not syncing? This can have different causes. In this guide, we suggest different solutions with which the synchronization in the Google calendar should work again.

The Google calendar is a useful helper in everyday life. With the app you keep track of all your appointments and these are even synchronized between all your devices. However, it can happen that the calendar app on your smartphone suddenly stops receiving appointments from other devices and no longer shares them with other devices. Your Google calendar will no longer sync. You will now find out what options you have to resolve this problem.

Method 1: check internet connection

Before you search for errors in the Google calendar or in Android, you should first check whether your smartphone is also connected to the Internet. Because your Google calendar cannot synchronize without an internet connection.


Is the smartphone connected to the internet? Just look in the quick settings.

First, check to see if other apps can connect to the internet. You can test this, for example, by calling up a website in your browser. If that doesn’t work, drag the status bar down on the home screen of your smartphone to get to the quick settings. Check here whether WiFi and / or mobile data are switched on and activate them if necessary.

If WiFi is activated and you still cannot connect to the Internet, restart your router or remove the WiFi network on your smartphone and add it again. This should usually be enough to reconnect to the Internet.

Method 2: Activate the correct calendar in the smartphone


If you have several Google accounts in your calendar, you should make sure that the respective appointments are activated.

If no appointments are synchronized in the Google calendar on your smartphone, it is possible that the account in question is not activated in the calendar app. This can be the case, for example, if you use multiple Google accounts on your smartphone. To activate the correct account, do the following:

  1. Open the Google Calendar app on your smartphone and tap the three bars in the top left.
  2. Now scroll to the Google account whose appointments you want to synchronize and check “Appointments”.

In this menu you can also select other calendar entries such as reminders. You can also display entries from different Google accounts.

Method 3: Activate calendar synchronization on the smartphone


Automatic synchronization should also be activated so that your Google calendar is updated.

If appointments in your Google calendar are not synchronized, it is possible that the synchronization is not activated for the calendar in your smartphone. Many Android smartphones give you the choice of which Google services should be synchronized between different devices. Follow the steps below to enable Google Calendar synchronization.

  1. Open the settings on your Android smartphone.
  2. Then look for a menu item called “Accounts”, “Accounts” or something similar and tap on it.
  3. Now select the Google account for which you want to activate calendar synchronization and, if necessary, tap on the sub-item “Account synchronization”.
  4. An overview will now appear with all Google services that can be synchronized. Depending on which Android interface your smartphone uses, you now have to flip the switch on the Google calendar or check the box there.

As soon as you activate the synchronization for the Google calendar, the calendar should synchronize itself once. Then you will see an entry below with the exact time of the last synchronization.

Refresh Automatic Calendar Synchronization

For whatever reason, it can happen that your Google calendar does not want to synchronize despite automatic synchronization or that the date of the last update was a long time ago. Here it can help to switch the automatic synchronization off briefly and then on again.

Method 4: manually update the Google Calendar


Sometimes it can help to initiate the synchronization manually.

As already mentioned, it sometimes happens that the last synchronization of the Google calendar was several days ago. You don’t necessarily have to wait for the next automatic update, you can also initiate it manually in the Google calendar (the method described above in the info box does the same thing). To perform a manual synchronization, proceed as follows:

  1. Open the Google Calendar and tap the three dots in the top right corner.
  2. Now press “Update” and the calendar will be updated.

Method 5: Download an update from the Play Store


An update of the app can also help with synchronization problems.

If all of the methods mentioned so far have failed and you are still wondering why the Google calendar is not syncing, then it may be due to a bug or a software error. An update of the app from the Play Store could help here. The bug could already be fixed in the updated version of the Google calendar. How to download an update:

  1. Open the Play Store on your smartphone and type in “Google Calendar” in the search bar.
  2. The page with information about the Google Calendar opens. If there is an update available for the app, download it, then check if the synchronization problem has been resolved.

Method 6: clear Google Calendar data and cache

Each app regularly saves data on your smartphone in order to function optimally or to start faster. This data is located in what is known as the cache. It becomes problematic if the files in the cache are faulty. This can lead to disruptions when using the app.

google-calendar-synchronized-not-clearing the cache

Cache errors can prevent Google Calendar from syncing.

Specifically related to the Google calendar, incorrect files in the cache can mean that new appointments and changes are no longer displayed in the app. To solve this problem, you have to clear the cache and possibly also the data of the app.


When the cache and data are deleted, previously unsynchronized data is lost. Do not use this method until all other methods have not worked.

  1. Open the settings on your smartphone.
  2. Select the “Apps” entry to see a list of all installed apps. Depending on the manufacturer, you may have to select a sub-item such as “Manage apps” or something similar to get into the list.
  3. Now look for the Google calendar from the list and tap on the entry. Then call up the menu item “Storage”.
  4. Here you now have the option of deleting saved data and clearing the cache. Do both actions.
  5. Now switch to the Google calendar and check whether your appointments are synchronized. You can use manual synchronization (method 4) to quickly check whether the problem has been resolved.

Method 7: Write to Google support


If none of the suggested ways work, the only thing that can help you is probably Google support.

If none of the solutions mentioned have brought about any improvement, you will probably not be able to solve the synchronization problem yourself. Now all you can do is try to report your problem to Google support. Support may be able to identify your problem with a detailed bug report and provide you with a solution.

To send a problem report to Google Support, do the following:

  1. Open the Google Calendar and tap the three bars in the top left.
  2. Scroll all the way down and click on “Help & Feedback”. Then select “Send feedback” in the new window.
  3. A form will now open in which you can describe your problem. After you have explained everything, send your feedback using the arrow in the top right corner.

We also recommend that you leave the checkmark next to “System logs” activated. The logs that are sent with the error report can help support to identify the error more quickly. Now you can only wait for a response from support.


  • If your Google calendar does not sync, first check whether your smartphone is connected to the internet.
  • If there are no synchronized appointments from other devices on your smartphone, it is possible that the respective Google account is not activated in your Google calendar. To do this, check the “Appointments” box of the desired account in the calendar.
  • Check whether the automatic synchronization of the calendar is activated for the Google account. You can find the option under “Settings> Accounts> ‘Your Google Account'”
  • You can also sync your Google calendar manually. Open the calendar, tap on the three dots and select “Update”.
  • If the cause of the incorrect synchronization is a bug, it can help to download an update for the Google calendar from the Play Store.
  • A faulty cache can also block the automatic synchronization of the Google calendar. Navigate to “Settings> Apps> Google Calendar> Storage”. There you delete the cache and data.
  • If none of the methods were successful, you can only send a bug report to Google support. To do this, open the Google Calendar, tap on the three bars and select “Help & Feedback”. Fill out the form and then submit it.


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