diff --git a/pkgs/by-name/al/althttpd/update.sh b/pkgs/by-name/al/althttpd/update.sh
index 15e6d703cb52..bce9bd599fba 100755
--- a/pkgs/by-name/al/althttpd/update.sh
+++ b/pkgs/by-name/al/althttpd/update.sh
@@ -21,7 +21,7 @@ json_output=$(echo "$output" | gawk '/^{/{p=1} p')
 full_rev=$(echo "$json_output" | jq -r '.rev')
 new_rev="${full_rev:0:16}"  # Use 16-char prefix for consistency
 new_hash=$(echo "$json_output" | jq -r '.hash')
-commit_date=$(echo "$json_output" | jq -r '.date')
+commit_date=$(echo "$json_output" | jq -r '.date' | cut -dT -f1)
 
 # Fallback to current date if extraction fails
 if [ -z "$commit_date" ] || [ "$commit_date" = "null" ]; then
diff --git a/pkgs/by-name/pi/pikchr/update.sh b/pkgs/by-name/pi/pikchr/update.sh
index c565ab5cce6b..db88ede29fca 100755
--- a/pkgs/by-name/pi/pikchr/update.sh
+++ b/pkgs/by-name/pi/pikchr/update.sh
@@ -21,7 +21,7 @@ json_output=$(echo "$output" | gawk '/^{/{p=1} p')
 full_rev=$(echo "$json_output" | jq -r '.rev')
 new_rev="${full_rev:0:16}"  # Use 16-char prefix for consistency
 new_hash=$(echo "$json_output" | jq -r '.hash')
-commit_date=$(echo "$json_output" | jq -r '.date')
+commit_date=$(echo "$json_output" | jq -r '.date' | cut -dT -f1)
 
 # Fallback to current date if extraction fails
 if [ -z "$commit_date" ] || [ "$commit_date" = "null" ]; then