How can I eliminate Central European time and put the Eastern Australian time on my Calendar time zone?

This has been asked a number of times, but the solution does not work for me. They say you need to alter the Library / preferences file for iCal. I do not appear to have that file.

I'd like to eliminate Central European time and put the Eastern Australian time at the bottom of the list.



[Re-Titled by Moderator]

Original Title: iCal timezones delete time zone

MacBook Pro 14″, macOS 15.6

Posted on Sep 15, 2025 12:18 PM

Reply
Question marked as Top-ranking reply

Posted on Sep 15, 2025 12:44 PM

Hi,


You don’t need to edit any preference files to change the time zone in Calendar. You can adjust it directly in the app:


  1. Open the Calendar app.
  2. Go to the menu bar and click Calendar > Settings (or Preferences if you’re on an older macOS).
  3. In the Advanced tab, make sure Turn on time zone support is checked.
  4. Once that’s enabled, you’ll see a time zone selector in the top-right corner of Calendar. From there you can set Eastern Australian Time (Sydney, Melbourne, etc.) as your default.

Unfortunately, you can’t remove Central European Time completely from the list—it always shows your system’s current region plus any you’ve used. But by turning on time zone support and setting Eastern Australian Time, that will become the active one for new events.


If you’d like Central European Time not to appear at all, the only workaround is to make sure your Mac’s system time zone (under System Settings > General > Date & Time) is set to Eastern Australian Time. Calendar will then use that as the default.

3 replies
Question marked as Top-ranking reply

Sep 15, 2025 12:44 PM in response to iswope

Hi,


You don’t need to edit any preference files to change the time zone in Calendar. You can adjust it directly in the app:


  1. Open the Calendar app.
  2. Go to the menu bar and click Calendar > Settings (or Preferences if you’re on an older macOS).
  3. In the Advanced tab, make sure Turn on time zone support is checked.
  4. Once that’s enabled, you’ll see a time zone selector in the top-right corner of Calendar. From there you can set Eastern Australian Time (Sydney, Melbourne, etc.) as your default.

Unfortunately, you can’t remove Central European Time completely from the list—it always shows your system’s current region plus any you’ve used. But by turning on time zone support and setting Eastern Australian Time, that will become the active one for new events.


If you’d like Central European Time not to appear at all, the only workaround is to make sure your Mac’s system time zone (under System Settings > General > Date & Time) is set to Eastern Australian Time. Calendar will then use that as the default.

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How can I eliminate Central European time and put the Eastern Australian time on my Calendar time zone?

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