diff --git a/machines/luna/configuration.nix b/machines/luna/configuration.nix
index f7f4031..e5ea99b 100644
--- a/machines/luna/configuration.nix
+++ b/machines/luna/configuration.nix
@@ -47,6 +47,7 @@
   };
 
   networking.hostName = "luna";
+  time.timeZone = "Europe/Amsterdam";
 
   services.xserver.enable = true;
   services.xserver.desktopManager.gnome.enable = true;
diff --git a/machines/solis/configuration.nix b/machines/solis/configuration.nix
index 2815382..6767897 100644
--- a/machines/solis/configuration.nix
+++ b/machines/solis/configuration.nix
@@ -47,6 +47,8 @@
   };
 
   networking.hostName = "solis";
+  time.timeZone = "Europe/Amsterdam";
+
   boot.loader.grub.enable = true;
   boot.loader.grub.device = "/dev/sda";
   boot.loader.grub.useOSProber = true;
diff --git a/machines/terra/configuration.nix b/machines/terra/configuration.nix
index e062de3..17159ff 100644
--- a/machines/terra/configuration.nix
+++ b/machines/terra/configuration.nix
@@ -66,6 +66,7 @@
   };
 
   networking.hostName = "terra";
+  time.timeZone = "Europe/Amsterdam";
 
   services.xserver.enable = true;
   services.xserver.desktopManager.gnome.enable = true;