diff --git a/hosts/nixos-common.nix b/hosts/nixos-common.nix
index ce3f160..db9d00f 100644
--- a/hosts/nixos-common.nix
+++ b/hosts/nixos-common.nix
@@ -17,7 +17,8 @@
   networking.networkmanager.enable = true;
 
   # Set your time zone.
-  time.timeZone = "Australia/Sydney";
+  time.timeZone = lib.mkDefault "Australia/Sydney";
+  services.automatic-timezoned.enable = true;
 
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";