diff --git a/nix/modules/system.nix b/nix/modules/system.nix
index 2989756..15342b1 100644
--- a/nix/modules/system.nix
+++ b/nix/modules/system.nix
@@ -2,6 +2,8 @@
   flake.modules.nixos.default = {
     persistFiles = [ "/etc/machine-id" ];
     persistDirs = [ "/var/lib/systemd" ];
+    time.timeZone = "Asia/Singapore";
+    i18n.defaultLocale = "en_US.UTF-8";
     system.stateVersion = "25.11";
   };
   flake.modules.homeManager.default =