diff --git a/lib/obp60task/OBP60Formater.cpp b/lib/obp60task/OBP60Formater.cpp
index 1ddbe76..9e04f8e 100644
--- a/lib/obp60task/OBP60Formater.cpp
+++ b/lib/obp60task/OBP60Formater.cpp
@@ -60,6 +60,9 @@ FormatedData formatValue(GwApi::BoatValue *value, CommonData &commondata){
             else if(String(dateFormat) == "US"){
                 snprintf(buffer,bsize,"%02d/%02d/%04d",parts.tm_mon+1,parts.tm_mday,parts.tm_year+1900);
             }
+            else if(String(dateFormat) == "ISO"){
+                snprintf(buffer,bsize,"%04d-%02d-%02d",parts.tm_year+1900,parts.tm_mon+1,parts.tm_mday);
+            }
             else{
                 snprintf(buffer,bsize,"%02d.%02d.%04d",parts.tm_mday,parts.tm_mon+1,parts.tm_year+1900);  
             }
diff --git a/lib/obp60task/config.json b/lib/obp60task/config.json
index 2a45981..49484de 100644
--- a/lib/obp60task/config.json
+++ b/lib/obp60task/config.json
@@ -251,11 +251,12 @@
         "label": "Date Format",
         "type": "list",
         "default": "DE",
-        "description": "Date format [DE|GB|US] DE: 31.12.2022, GB: 31/12/2022, US: 12/31/2022",
+        "description": "Date format [DE|GB|US|ISO] DE: 31.12.2022, GB: 31/12/2022, US: 12/31/2022, ISO: 2022-12-31",
         "list": [
             "DE",
             "GB",
-            "US"
+            "US",
+            "ISO"
         ],
         "category": "OBP60 Units",
         "capabilities": {