How to Resolve Microsoft Outlook Calendar Events Showing the Wrong Time After Daylight Saving Time Changes in Australia

Summary

This guide helps you troubleshoot and resolve: How to Resolve Microsoft Outlook Calendar Events Showing the Wrong Time After Daylight Saving Time Changes in Australia. Follow the steps below to fix the issue.

Common Causes

Daylight Saving Time (DST) changes can cause Microsoft Outlook calendar events to shift by an hour, leading to missed meetings and scheduling confusion for small businesses across Australia. This typically occurs when calendar entries were created before a DST transition or when devices are using different time zone settings. This guide provides steps to correct these discrepancies in Outlook and Microsoft 365.

Quick Fix Steps

1. Restart Microsoft Outlook to force a calendar synchronisation.
2. Verify that your computer's date, time, and time zone settings are set to the correct Australian region (e.g., (UTC+10:00) Brisbane).
3. Check that all attendees are using the same time zone in their calendar settings.

Detailed Instructions

Verify Windows Time Zone Settings

1. Click the Start button and select Settings.
2. Navigate to Time & language > Date & time.
3. Ensure Set time zone automatically is toggled On, or manually select your specific Australian city from the Time zone dropdown.
4. Restart Outlook to apply the changes.

Check Outlook Calendar Time Zone

1. Open Microsoft Outlook.
2. Click File > Options.
3. Select Calendar from the left-hand menu.
4. Scroll down to the Time zones section.
5. Ensure the Current time zone matches your location in Australia.
6. Click OK to save and restart Outlook.

Update Microsoft 365 Online Settings

1. Log in to your account at outlook.office.com.
2. Click the Settings (gear) icon in the top right corner.
3. Select Calendar > View.
4. Verify that the Time zone is set correctly for your Australian region.
5. Save your changes and refresh the browser.

Install Latest Windows Updates

1. Click the Start button and select Settings.
2. Navigate to Update & Security > Windows Update.
3. Click Check for updates and install any available updates, including time zone database updates.
4. Restart your computer and Outlook.

Troubleshooting

Events Still Showing Incorrectly

If individual events remain incorrect, they may have been created during a previous DST period with a hard-coded offset. In these cases, the event organiser should delete the affected event and recreate it using the current time zone settings.

Conflicts Between Devices

Ensure that your mobile devices and desktop computers are all set to the same Australian time zone. A mismatch between a mobile device set to "Automatic" and a desktop set to a fixed offset can cause events to appear an hour off across different platforms.

Tip: Always specify the time zone when sending meeting invitations to external clients in different Australian states (e.g., Brisbane vs Sydney) to avoid confusion during DST transitions.

Caution: Avoid manually shifting event times by one hour as a permanent fix, as this will cause further errors when the next DST transition occurs.

Still Having Issues?