#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
const char *ssid = "Wokwi-GUEST";
const char *password = "";
const char *ntpServer = "pool.ntp.org";
const long gmtOffset_sec = 0;
const int daylightOffset_sec = 3600;
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, ntpServer, gmtOffset_sec, daylightOffset_sec);
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password);
Serial.print("Connecting to WiFi..");
while (WiFi.status() != WL_CONNECTED) {
delay(1000);
Serial.print(".");
}
Serial.println("");
Serial.println("Connected to WiFi");
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
timeClient.begin();
timeClient.update();
}
void loop() {
timeClient.update();
unsigned long epochTime = timeClient.getEpochTime();
struct tm *ptm = gmtime((time_t *)&epochTime);
Serial.print("GMT: ");
printDateTime(ptm);
Serial.print("EPOCH: ");
Serial.println(epochTime);
delay(5000);
}
void printDateTime(struct tm *ptm) {
char buf[80];
strftime(buf, sizeof(buf), "%A, %B %d, %Y %H:%M:%S", ptm);
Serial.println(buf);
}