Another attempt to fix

.github/workflows/cleanup-self-hosted-runners.yml

@@ -48,10 +48,9 @@ jobs:
 
           for active_vm in ${active_vms[@]}; do
               vm_name=$(echo $active_vm | jq '.name')
-              vm_creation_iso_string=$(echo $active_vm | jq -r '.timeCreated')
-              # Bash's date -d command doesn't support the full ISO 8601 format with milliseconds and timezone, so let's strip those
-              vm_creation_trimmed=$(echo "$vm_creation_iso_string" | sed 's/\.[0-9]*//;s/+[^+]*$//')
-              vm_creation_time=$(TZ=UTC date -d $vm_creation_trimmed +%s)
+              # Use jq to extract and format the date-time string
+              vm_creation_time_string=$(echo $active_vm | jq -r '.timeCreated | sub("\\.[0-9]+[+-][0-9]+:[0-9]+$"; "") | sub("T"; " ")')
+              vm_creation_time=$(TZ=UTC date -d $vm_creation_time_string +%s)
 
               if [ "$one_hour_ago" -lt "$vm_creation_time" ]; then
                   echo "::notice::The VM ${vm_name} was created less then 1 hour ago and shouldn't be deleted yet. Skipping."