ESP32 Local Time

#include #include #include #include // ===== WIFI ===== const char* ssid = "Bertovic"; const char* password = "18072019"; // ===== NTP ===== const char* ntpServer = "pool.ntp.org"; const long gmtOffset_sec = 3600; // adjust to your timezone const int daylightOffset_sec = 0; // ===== WEB ===== WebServer server(80); // Format time String getTimeString() { struct tm timeinfo; if (!getLocalTime(&timeinfo)) { return "Time not ready"; } char buf[32]; strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", &timeinfo); return String(buf); } // Root page void handleRoot() { String page = R"rawliteral( ESP32 Local Time

ESP32 Local Time

)rawliteral" + getTimeString() + R"rawliteral(

)rawliteral"; server.send(200, "text/html", page); } void setup() { Serial.begin(115200); // WiFi WiFi.begin(ssid, password); Serial.print("Connecting"); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println("\nWiFi connected"); Serial.print("IP address: "); Serial.println(WiFi.localIP()); // mDNS name -> myhome.local if (!MDNS.begin("myhome")) { Serial.println("mDNS failed"); } else { Serial.println("mDNS started: http://myhome.local/"); } // Time configTime(gmtOffset_sec, daylightOffset_sec, ntpServer); // Web server server.on("/", handleRoot); server.begin(); Serial.println("Web server started"); } void loop() { server.handleClient(); }