diff --git a/machines/porthos/default.nix b/machines/porthos/default.nix
index ec29917..abfc01a 100644
--- a/machines/porthos/default.nix
+++ b/machines/porthos/default.nix
@@ -10,6 +10,9 @@
     ./users.nix
   ];
 
+  # Set your time zone.
+  time.timeZone = "Europe/Paris";
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave