diff --git a/SwarselSystems.org b/SwarselSystems.org
index d255baf..709fe6c 100644
--- a/SwarselSystems.org
+++ b/SwarselSystems.org
@@ -1466,6 +1466,8 @@ Note: The structure of generating the packages was changed in commit =2cf03a3 re
       "github-notifications"
       "screenshare"
       "bootstrap"
+      "t2ts"
+      "ts2t"
     ];
     mkPackages = names: builtins.listToAttrs (map (name: {
       inherit name;
@@ -2208,6 +2210,46 @@ This program sets up a new NixOS host.
   }
 #+end_src
 
+**** t2ts
+:PROPERTIES:
+:CUSTOM_ID: h:5ad99997-e54c-4f0b-9ab7-15f76b1e16e1
+:END:
+
+This script allows for quick git branch switching.
+
+#+begin_src nix :tangle pkgs/t2ts/default.nix
+    { writeShellApplication }:
+
+    writeShellApplication {
+      name = "t2ts";
+      runtimeInputs = [ ];
+      text = ''
+        date -d"$1" +%s
+      '';
+    }
+
+#+end_src
+
+**** ts2t
+:PROPERTIES:
+:CUSTOM_ID: h:5ad99997-e54c-4f0b-9ab7-15f76b1e16e1
+:END:
+
+This script allows for quick git branch switching.
+
+#+begin_src nix :tangle pkgs/ts2t/default.nix
+  { writeShellApplication }:
+
+  writeShellApplication {
+    name = "ts2t";
+    runtimeInputs = [ ];
+    text = ''
+      date -d @"$1" 2>/dev/null || date -r "$1"
+    '';
+  }
+
+#+end_src
+
 *** Overlays (additions, overrides, nixpkgs-stable)
 :PROPERTIES:
 :CUSTOM_ID: h:5e3e21e0-57af-4dad-b32f-6400af9b7aab
@@ -6785,6 +6827,8 @@ This is just a separate container for derivations defined in [[#h:64a5cc16-6b16-
       github-notifications
       screenshare
       hm-specialisation
+      t2ts
+      ts2t
 
       (pkgs.writeScriptBin "project" ''
         #! ${pkgs.bash}/bin/bash
diff --git a/pkgs/default.nix b/pkgs/default.nix
index c680b45..3226603 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -17,6 +17,8 @@ let
     "github-notifications"
     "screenshare"
     "bootstrap"
+    "t2ts"
+    "ts2t"
   ];
   mkPackages = names: builtins.listToAttrs (map
     (name: {
diff --git a/pkgs/t2ts/default.nix b/pkgs/t2ts/default.nix
new file mode 100644
index 0000000..49bacef
--- /dev/null
+++ b/pkgs/t2ts/default.nix
@@ -0,0 +1,9 @@
+{ writeShellApplication }:
+
+writeShellApplication {
+  name = "t2ts";
+  runtimeInputs = [ ];
+  text = ''
+    date -d"$1" +%s
+  '';
+}
diff --git a/pkgs/ts2t/default.nix b/pkgs/ts2t/default.nix
new file mode 100644
index 0000000..276a7f5
--- /dev/null
+++ b/pkgs/ts2t/default.nix
@@ -0,0 +1,9 @@
+{ writeShellApplication }:
+
+writeShellApplication {
+  name = "ts2t";
+  runtimeInputs = [ ];
+  text = ''
+    date -d @"$1" 2>/dev/null || date -r "$1"
+  '';
+}
diff --git a/profiles/common/home/custom-packages.nix b/profiles/common/home/custom-packages.nix
index 4fac240..1942942 100644
--- a/profiles/common/home/custom-packages.nix
+++ b/profiles/common/home/custom-packages.nix
@@ -17,6 +17,8 @@
     github-notifications
     screenshare
     hm-specialisation
+    t2ts
+    ts2t
 
     (pkgs.writeScriptBin "project" ''
       #! ${pkgs.bash}/bin/bash