diff --git a/.github/workflows/ci-integration-tests.yml b/.github/workflows/ci-integration-tests.yml
index 46129f3efd..605e940b7d 100644
--- a/.github/workflows/ci-integration-tests.yml
+++ b/.github/workflows/ci-integration-tests.yml
@@ -6,7 +6,7 @@ permissions:
 on:
   schedule:
     # at 9:45 UTC every day from Monday to Friday
-    - cron: "45 9 * * 1-5"
+    - cron: "45 9 * * Mon-Fri"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-po-sle16.yml b/.github/workflows/weblate-merge-po-sle16.yml
index 5024bc3326..4505283c7d 100644
--- a/.github/workflows/weblate-merge-po-sle16.yml
+++ b/.github/workflows/weblate-merge-po-sle16.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:35AM UTC
-    - cron: "35 2 * * 0"
+    - cron: "35 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-po.yml b/.github/workflows/weblate-merge-po.yml
index 5749986a4c..5bfadbdffa 100644
--- a/.github/workflows/weblate-merge-po.yml
+++ b/.github/workflows/weblate-merge-po.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:42AM UTC
-    - cron: "42 2 * * 0"
+    - cron: "42 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-products-po-sle16.yml b/.github/workflows/weblate-merge-products-po-sle16.yml
index b83ddc5300..2f595e4818 100644
--- a/.github/workflows/weblate-merge-products-po-sle16.yml
+++ b/.github/workflows/weblate-merge-products-po-sle16.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:35AM UTC
-    - cron: "35 2 * * 0"
+    - cron: "35 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-products-po.yml b/.github/workflows/weblate-merge-products-po.yml
index d13078ccc9..2aabe0274b 100644
--- a/.github/workflows/weblate-merge-products-po.yml
+++ b/.github/workflows/weblate-merge-products-po.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:45AM UTC
-    - cron: "45 2 * * 0"
+    - cron: "45 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-rust-po.yml b/.github/workflows/weblate-merge-rust-po.yml
index 180f31c6ef..c129c69a9f 100644
--- a/.github/workflows/weblate-merge-rust-po.yml
+++ b/.github/workflows/weblate-merge-rust-po.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:47AM UTC
-    - cron: "47 2 * * 0"
+    - cron: "47 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-service-po-sle16.yml b/.github/workflows/weblate-merge-service-po-sle16.yml
index 824ee772b6..33245470b4 100644
--- a/.github/workflows/weblate-merge-service-po-sle16.yml
+++ b/.github/workflows/weblate-merge-service-po-sle16.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:35AM UTC
-    - cron: "35 2 * * 0"
+    - cron: "35 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-merge-service-po.yml b/.github/workflows/weblate-merge-service-po.yml
index 3c17dfe4b7..043d4a446b 100644
--- a/.github/workflows/weblate-merge-service-po.yml
+++ b/.github/workflows/weblate-merge-service-po.yml
@@ -8,7 +8,7 @@ permissions:
 on:
   schedule:
     # run every Monday at 2:45AM UTC
-    - cron: "45 2 * * 0"
+    - cron: "45 2 * * Mon"
 
   # allow running manually
   workflow_dispatch:
diff --git a/.github/workflows/weblate-update-pot.yml b/.github/workflows/weblate-update-pot.yml
index 053780f44e..d211878abe 100644
--- a/.github/workflows/weblate-update-pot.yml
+++ b/.github/workflows/weblate-update-pot.yml
@@ -7,7 +7,7 @@ permissions:
 on:
   schedule:
     # run every working day (Monday-Friday) at 1:42AM UTC
-    - cron: "42 1 * * 0-4"
+    - cron: "42 1 * * Mon-Fri"
 
   # allow running manually
   workflow_dispatch: