diff --git a/horizon.dhall b/horizon.dhall
index 5e01779291958fafe6c42abeb75dd15da05a85bc..805eb4a085e8c0f64a6e199d818dfcc7f259b0a1 100644
--- a/horizon.dhall
+++ b/horizon.dhall
@@ -850,6 +850,7 @@ let packages =
             "https://github.com/haskell-effectful/time-effectful"
             "e212239b685e1ecf7ee95dd1e944cc563351907f"
             (None Text)
+      , time-locale-compat = H.callHackage "time-locale-compat" "0.1.1.5"
       , time-manager = H.callHackage "time-manager" "0.0.0"
       , tls-session-manager = H.callHackage "tls-session-manager" "0.0.4"
       , tls = H.callHackage "tls" "1.6.0"
diff --git a/initial-packages.nix b/initial-packages.nix
index 6d3762e12684859b980f8ff586de5027a37479c6..3394af1e45fd33496cfb438f70c6f7fc8a429707 100644
--- a/initial-packages.nix
+++ b/initial-packages.nix
@@ -1369,6 +1369,8 @@ self: with pkgs.haskell.lib; {
 
   time-effectful = self.callPackage (./pkgs/time-effectful.nix) { };
 
+  time-locale-compat = self.callPackage (./pkgs/time-locale-compat.nix) { };
+
   time-manager = self.callPackage (./pkgs/time-manager.nix) { };
 
   timeit = self.callPackage (./pkgs/timeit.nix) { };
diff --git a/pkgs/time-locale-compat.nix b/pkgs/time-locale-compat.nix
new file mode 100644
index 0000000000000000000000000000000000000000..e7975bc1edcdb415e6a58d19fe532255969f376a
--- /dev/null
+++ b/pkgs/time-locale-compat.nix
@@ -0,0 +1,21 @@
+{ mkDerivation, base, lib, old-locale, time }:
+mkDerivation {
+  pname = "time-locale-compat";
+  version = "0.1.1.5";
+  sha256 = "07ff1566de7d851423a843b2de385442319348c621d4f779b3d365ce91ac502c";
+  isLibrary = true;
+  isExecutable = false;
+  enableSeparateDataOutput = false;
+  libraryHaskellDepends = [ base old-locale time ];
+  enableLibraryProfiling = true;
+  enableExecutableProfiling = true;
+  doHaddock = false;
+  jailbreak = true;
+  doCheck = false;
+  doBenchmark = false;
+  hyperlinkSource = false;
+  homepage = "https://github.com/khibino/haskell-time-locale-compat";
+  description = "Compatibile module for time-format locale";
+  license = lib.licenses.bsd3;
+  broken = false;
+}