The dates visible in XBert depend on your Region settings in your XBert User Settings.
To change the date format in XBert:
Go to the panel menu (hamburger icon) on the top right of the CONNECT Portal.
Select Settings.
Select User Settings from the settings menu on the left.
Select the region you wish to use from the drop-down menu.
Note: Sometimes, the date format defaults to US (mm/dd/yyyy), even though your settings says the default is AU (dd/mm/yyyy). This is because your browser incorrectly installs with the US region.
To fix this, you can manually change the Region to English (Australia).
Once you hit Update, the date format should automatically change to dd/mm/yyyy.