Minimal ESP32 NTP client example using NTPClient_Generic and PlatformIO

#include <Arduino.h>
#include <WiFi.h>
#include <NTPClient_Generic.h>

#define TIME_ZONE_OFFSET_HRS 1 // UTC+1 for Germany, winter time
#define NTP_UPDATE_INTERVAL_MS 60000L // Update every 60s automatically
WiFiUDP ntpUDP;
NTPClient ntpClient(ntpUDP, "europe.pool.ntp.org", (3600 * TIME_ZONE_OFFSET_HRS), NTP_UPDATE_INTERVAL_MS);

void ntpUpdateTask(void* param) {
  while(true) {
    // Update NTP. This will only ACTUALLY update if
    // the NTP client has not updated for NTP_UPDATE_INTERVAL_MS
    ntpClient.update();
    vTaskDelay(1000 / portTICK_PERIOD_MS);
  }
}

void setup() {
  Serial.begin(115200);
  // Force reset Wifi to avoid failure to connect
  WiFi.disconnect(true);
  // Set hostname
  WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);
  WiFi.setHostname("ESP-NTP");
  // Connect to Wifi
  WiFi.begin("MyWifiSSID", "MyWifiPassword");
  while (WiFi.status() != WL_CONNECTED) {
      delay(100);
      Serial.println("Wifi connecting...");
  }

  // Start NTP client (i.e. start listening for NTP packets)
  ntpClient.begin();
  // Create task to automatically update NTP in the background
  xTaskCreate(ntpUpdateTask, "NTP update", 2000, nullptr, 1, nullptr);
}

void loop() {
  delay(1000);
  if (ntpClient.updated()) {
    Serial.println("# Time in sync with NTP server");
  } else {
    Serial.println("# TIME NOT IN SYNC WITH NTP SERVER !");
    return; // Do not print time
  }

  Serial.println("UTC : " + ntpClient.getFormattedUTCTime());
  Serial.println("UTC : " + ntpClient.getFormattedUTCDateTime());
  Serial.println("LOC : " + ntpClient.getFormattedTime());
}

[env:nodemcu-32s]
platform = espressif32
board = nodemcu-32s
framework = arduino
monitor_speed = 115200
lib_deps =
    khoih.prog/NTPClient_Generic @ ^3.2.2
    Time