diff --git a/nixos/viridian/configuration.nix b/nixos/viridian/configuration.nix
index 7265bd9..01b8749 100644
--- a/nixos/viridian/configuration.nix
+++ b/nixos/viridian/configuration.nix
@@ -95,6 +95,11 @@
     };
   };
 
+# Select internationalisation properties
+  i18n.defaultLocale = "en_AU.UTF-8";
+  # Set timezone
+  time.timeZone = "Australia/Perth";
+
   boot = {
     loader = {
       systemd-boot.enable = true;