diff --git a/.github/workflows/timezone-update.yml b/.github/workflows/timezone-update.yml
new file mode 100644
index 0000000000000..8222f372069d8
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+++ b/.github/workflows/timezone-update.yml
@@ -0,0 +1,34 @@
+# This workflow will build a .NET project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-net
+
+name: .NET
+
+on:
+  workflow_dispatch:
+    branches: [ master, stable* ]
+  schedule:
+  - cron: "0 5 33 * *"
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Configure CMake
+      run: cmake -B build -S . -DCMAKE_INSTALL_PREFIX=install
+    - name: Build & Install CMake
+      run: cmake --build build --target install
+    - name: Update timezones
+      run: install\tzextract.exe winpr\libwinpr\timezone
+    - name: clang-format changes
+      run: git clang-format -f
+    - name: git commit
+      run: git commit . -m"[winpr,timezone] automated update on "