diff --git a/lib/Hoymiles/src/parser/DevInfoParser.cpp b/lib/Hoymiles/src/parser/DevInfoParser.cpp
index d4f599003..fd6ed5cc7 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.cpp
+++ b/lib/Hoymiles/src/parser/DevInfoParser.cpp
@@ -137,6 +137,14 @@ time_t DevInfoParser::getFwBuildDateTime() const
     return timegm(&timeinfo);
 }
 
+String DevInfoParser::getFwBuildDateTimeStr() const
+{
+    char timebuffer[32];
+    const time_t t = getFwBuildDateTime();
+    std::strftime(timebuffer, sizeof(timebuffer), "%Y-%m-%d %H:%M:%S", gmtime(&t));
+    return timebuffer;
+}
+
 uint16_t DevInfoParser::getFwBootloaderVersion() const
 {
     HOY_SEMAPHORE_TAKE();
@@ -254,4 +262,4 @@ time_t DevInfoParser::timegm(const struct tm* t)
         result -= 3600;
     /*@ -matchanyintegral @*/
     return (result);
-}
\ No newline at end of file
+}
diff --git a/lib/Hoymiles/src/parser/DevInfoParser.h b/lib/Hoymiles/src/parser/DevInfoParser.h
index 89c40f862..239055251 100644
--- a/lib/Hoymiles/src/parser/DevInfoParser.h
+++ b/lib/Hoymiles/src/parser/DevInfoParser.h
@@ -21,6 +21,7 @@ class DevInfoParser : public Parser {
 
     uint16_t getFwBuildVersion() const;
     time_t getFwBuildDateTime() const;
+    String getFwBuildDateTimeStr() const;
     uint16_t getFwBootloaderVersion() const;
 
     uint32_t getHwPartNumber() const;
@@ -43,4 +44,4 @@ class DevInfoParser : public Parser {
 
     uint8_t _payloadDevInfoSimple[DEV_INFO_SIZE] = {};
     uint8_t _devInfoSimpleLength = 0;
-};
\ No newline at end of file
+};
diff --git a/src/MqttHandleInverter.cpp b/src/MqttHandleInverter.cpp
index 761b0e083..0c1676e0b 100644
--- a/src/MqttHandleInverter.cpp
+++ b/src/MqttHandleInverter.cpp
@@ -68,10 +68,7 @@ void MqttHandleInverterClass::loop()
             MqttSettings.publish(subtopic + "/device/fwbuildversion", String(inv->DevInfo()->getFwBuildVersion()));
 
             // Firmware Build DateTime
-            char timebuffer[32];
-            const time_t t = inv->DevInfo()->getFwBuildDateTime();
-            std::strftime(timebuffer, sizeof(timebuffer), "%Y-%m-%d %H:%M:%S", gmtime(&t));
-            MqttSettings.publish(subtopic + "/device/fwbuilddatetime", String(timebuffer));
+            MqttSettings.publish(subtopic + "/device/fwbuilddatetime", inv->DevInfo()->getFwBuildDateTimeStr());
 
             // Hardware part number
             MqttSettings.publish(subtopic + "/device/hwpartnumber", String(inv->DevInfo()->getHwPartNumber()));
diff --git a/src/WebApi_devinfo.cpp b/src/WebApi_devinfo.cpp
index b5f3e3707..07ed08171 100644
--- a/src/WebApi_devinfo.cpp
+++ b/src/WebApi_devinfo.cpp
@@ -46,13 +46,9 @@ void WebApiDevInfoClass::onDevInfoStatus(AsyncWebServerRequest* request)
         root["hw_version"] = inv->DevInfo()->getHwVersion();
         root["hw_model_name"] = inv->DevInfo()->getHwModelName();
         root["max_power"] = inv->DevInfo()->getMaxPower();
-
-        char timebuffer[32];
-        const time_t t = inv->DevInfo()->getFwBuildDateTime();
-        std::strftime(timebuffer, sizeof(timebuffer), "%Y-%m-%d %H:%M:%S", gmtime(&t));
-        root["fw_build_datetime"] = String(timebuffer);
+        root["fw_build_datetime"] = inv->DevInfo()->getFwBuildDateTimeStr();
     }
 
     response->setLength();
     request->send(response);
-}
\ No newline at end of file
+}