Google Calendar Sync Issues – An Expert Guide

  Tej Pratap Shukla
Written By Tej Pratap Shukla
Anuraag Singh
Approved By Anuraag Singh
Modified On December 24th, 2025
Reading Time 7 Min Read

Individuals and businesses use Google Calendar for scheduling events. While working with the Calendar, users often face issues like events not updating across devices, missing meetings, duplicate entries, etc. If you are experiencing these issues, then I have the solutions that you can use to fix issues with Google Calendar sync.

Know About Google Calendar Sync Feature

Google Calendar offers you a synchronization feature to automatically update calendar events across devices. This function is used on your desktop, phones, and third-party apps like Outlook to stay up-to-date with meetings. To use this, you must have a Google account sign-in, active internet connectivity, enable sync permission on devices/apps, and calendar visibility settings.

During the process of synchronization, one small mistake can create a huge problem. Such as.

But do you know why these problems are happening? Below, I have mentioned the reasons for the problem.

Why Users Experiencing Issues with Google Calendar Sync?

There are several reasons why you are facing a syncing problem in Google Calendar. Below are the common factors that affect the procedure.

  • To sync your calendar, you need a proper internet connection. Bad Wi-Fi, airplane mode, slow network, etc. can cause syncing issues.
  • Using an outdated web browser or device makes it difficult for you to synchronize your Google calendar.
  • You hide or uncheck the calendar that you wish to see on another account, app, or device.
  • If your local storage is full, you will not be able to sync new calendar events.
  • Some users’ sync feature is disabled. That’s why they are not able to sync their calendar.
  • The time zone of the Google Calendar is incorrect. This is why you can’t see your events on other devices.

After learning the reasons for the Google Calendar syncing problem, you can start using the troubleshooting solutions.

Fix Issues with Google Calendar Sync with Simple Solutions

Below are the simple troubleshooting ways that can instantly fix your syncing issue.

  1. Whenever you begin the process of synchronization. First, check the internet connection. It is very important as a poor network may stall the syncing, and you may lose critical data. Hence, review your Wi-Fi network and switch to a stable connection.
  2. Confirm that you are using the correct Google account where the original events are created. Incorrect details may prevent you from syncing your Google calendar.
  3. In some cases, your calendar is syncing, but it is hidden in general. To unhid it, go to the Menu of the Google Calendar (three horizontal lines). Enable the calendar name that was hidden.
  4. Refresh the Google Calendar page. Sometimes a simple refresh solves the big problem.
  5. Set the correct data and time in both devices. Usethe automatic option to make sure the device date and time are automatically set.
  6. Duplicate events may create confusion errors with Google Calendar sync. To fix it, enable all calendars under My Calendar and other Calendars to check which calendar event belongs. Use only one sync method, make sure both teh device aree in the same time zone.

There are some solutions that resolve the problem of Google Calendar sync on your desktop and mobile. So, properly follow them.

Resolve Google Calendar Sync Issues with Desktop

  1. Accumulated browser cache and cookies may create a problem in synchronization. So, it is crucial to regularly remove these caches. Here are the steps to do that.
    • In the browser, click on the Menu button beside the Google profile icon.
    • Choose Delete browsing data. You will lead to the deletion of the data page.
    • Select the Cookies and other site data and then Cached images and files.
    • After that, hit the Delete data button.
  2. Make sure you update your browser. Because outdated may also be the cause of google calendar sync problem.
  3. Sign out and re-login to your Google account to refresh your page and resolve the Google Calendar.
  4. You accidentally set incorrect permissions. This is why the shared calendar is not updating. So, change the permissions to see all event details or make changes to events.

Issues with Google Calendar on Mobile

  1. Due to the storage being full in your phone. You can’t sync the new calendar. So, reduce the space by removing unnecessary data. To properly sync your calendar.
  2. In Android, you have to enable system sync to sync your Google Calendar for this.
    • Go to the phone settings, click on the Passwords & Accounts.
    • Select Google and your account.
    • Enable Calendar option.
  3. If you use an iPhone, then below are the steps to enable the system sync.
    • In the settings, click on the Calendar option.
    • Select the Accounts and then your Google account.
    • Enable the Calendar option.
  4. On the mobile, you have to clear the app data to easily sync your Google calendar.
    • In the Android phone, navigate to the settings.
    • Choose Apps and then the Google Calendar option.
    • Select the Storage & Cache, then hit the Clear Storage.

By using these ways, you can resolve theproblem but there are chances that the same issue will occur in the future. So, to prevent that, I have some preventive steps that you should take.

How to Prevent Google Calendar Sync Issues?

  • When the storage is nearly full, Android and iPhone often prioritize the core system functions over Calendar syncing. Therefore, keep 5GB of free storage space to properly sync your account.
  • Make sure your devices’ date and time are set to be automatic. Because different time zones crate authenticaiton problems with the Google server.
  • Disable the use of battery optimization in your mobile when you sync your Google calendar, as it restricts background data usage and the syncing process.
  • Regularly update your calendar app, devices, and browser to easily sync your calendar without any issues.
  • Check the permission of the calendar for accessing background data and account syncing. Because they are often accidentally disabled, your automatic updates will be halted.
  • Make sure you don’t use multiple calendar apps to access the same calendar events. This will create a sync loop or data conflicts.

There might also be scenarios where even after following these solutions, the problem persists. You also need to share your calendar events with your colleague. In that case, use the alternative option that I have mentioned below.

Alternative Solution for Google Calendar Sync

When you are constantly failing Google Calendar sync, or when you are changing your account. Migrating the calendar can be an alternative option for you. In this, you can use the SysTools Google Workspace Migration Tool that can easily move your calendar events within the organization account.

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Concluding Words

Don’t know why you are having issues with Google Calendar sync. Here, I have explained the reasons for having this problem and provided the solutions to fix it. I suggested various solutions for the problem with your desktop and mobile so that you can follow them and solve the issue. In additional i also provide an alternative solution when you are constantly having syncing problems.