Calendar Problems

How to Fix Incorrect Event Times in SharePoint Group Calendar

Algirdas Jasaitis Oct 10, 2026 868 views

Question details

The user needs to fix a time discrepancy where events in a SharePoint group calendar display incorrectly compared to Outlook.

How to Fix Incorrect Event Times in a SharePoint Group Calendar

Product: SharePoint
Device & OS: not provided
Scenario: Viewing and synchronizing scheduled events between a SharePoint group calendar and Microsoft Outlook.
Observed behavior: Events in the SharePoint calendar appear several hours earlier than their actual times in Outlook, despite all time zone settings appearing correct.

Before you start

Verify that your computer's system time exactly matches the time zone configured in your personal Microsoft 365 profile account settings.

Solution 1Recommended

Contact Microsoft 365 Support for Backend Investigation

When standard time zone settings for the group, site, and calendar have already been verified, the discrepancy is usually caused by a backend environment issue that requires administrative intervention.

Because forum support and standard users do not have sufficient permissions to access the server backend, this problem must be handled by Microsoft Online Support.

Your organization's IT administrator will need to open a secure ticket to allow Microsoft technicians to examine your specific tenant environment.

Identify your IT Administrator

Locate the person or team responsible for managing your organization's Microsoft 365 environment.

Gather Evidence

Take screenshots showing the time difference of the same event in both the SharePoint Group Calendar and your Outlook application.

Open a Support Request

Ask your Microsoft 365 administrator to log into the Microsoft 365 Admin Center, navigate to the Support section, and create a new service request attaching your screenshots.

Contact Microsoft 365 Support for Backend Investigation

Admin Access Required: Only users with the Global Administrator or Support Administrator roles can open tickets directly with Microsoft Online Support.

Solution 2

Verify Regional Settings in SharePoint Site

Perform a final check of the site's regional settings to ensure there are no overlapping configurations causing the offset.

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Frequently Asked Questions

Why do my SharePoint events show a different time than Outlook?

This usually happens due to a mismatch between the SharePoint site's regional time zone settings and your personal Outlook profile time zone. If both match and the issue persists, it indicates a backend synchronization error.

Can any user change the SharePoint calendar time zone?

No, typically only users with Site Owner or Administrator permissions have the ability to modify the Regional Settings for a SharePoint site.

How long does it take for time zone changes to sync in Microsoft 365?

While regional setting updates in SharePoint often apply immediately upon refreshing the page, complex calendar synchronizations with Outlook and Exchange can sometimes take up to 24 hours to fully propagate across the environment.

Outlook & Email Problems