ESP32 Based Islamic Prayer Time Display

//program by https://diyusthad.com

#include <SPI.h>
#include <Wire.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>

#include <LiquidCrystal_I2C.h>

const char* ssid = "YOUR_SSID";
const char* password = "YOUR_WIFI_PASSWORD";

int lcdColumns = 16;
int lcdRows = 4;

LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);


const char* data_timings_Fajr ;
const char* data_timings_Sunrise ;
const char* data_timings_Dhuhr ;
const char* data_timings_Asr ;
const char* data_timings_Sunset ;
const char* data_timings_Maghrib ;
const char* data_timings_Isha ;
const char* data_timings_Imsak ;
const char* data_timings_Midnight ;


void setup() {

  Serial.begin(115200);

  WiFi.begin(ssid, password);
  Serial.println("Connecting");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to WiFi network with IP Address: ");
  Serial.println(WiFi.localIP());

  lcd.init();
  // turn on LCD backlight
  lcd.setBacklight(10);
  fetchData();

}

void loop() {

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Fajr    : ");
  lcd.print(data_timings_Fajr);
  lcd.setCursor(0, 1);
  lcd.print("Dhuhr   : ");
  lcd.print(data_timings_Dhuhr);
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Asr     : ");
  lcd.print(data_timings_Asr);
  lcd.setCursor(0, 1);
  lcd.print("Maghrib : ");
  lcd.print(data_timings_Maghrib);
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Isha : ");
  lcd.print(data_timings_Isha);
  delay(2000);
}

void fetchData()
{
  if (WiFi.status() == WL_CONNECTED) {

    HTTPClient http;

    Serial.print("[HTTP] begin...\n");
    if (http.begin("http://api.aladhan.com/v1/timingsByCity?city=Dubai&country=United%20Arab%20Emirates&method=4")) {  // API Request


      Serial.print("[HTTP] GET...\n");
      // start connection and send HTTP header
      int httpCode = http.GET();

      // httpCode will be negative on error
      if (httpCode > 0) {
        // HTTP header has been send and Server response header has been handled
        Serial.printf("[HTTP] GET... code: %d\n", httpCode);

        // file found at server
        if (httpCode == HTTP_CODE_OK || httpCode == HTTP_CODE_MOVED_PERMANENTLY) {
          String payload = http.getString();

          DynamicJsonDocument doc(2048);
          deserializeJson(doc, payload);
          JsonObject data = doc["data"];

          JsonObject data_timings = data["timings"];

          data_timings = data["timings"];
          data_timings_Fajr = data_timings["Fajr"]; // "05:13"
          data_timings_Sunrise = data_timings["Sunrise"]; // "06:31"
          data_timings_Dhuhr = data_timings["Dhuhr"]; // "12:29"
          data_timings_Asr = data_timings["Asr"]; // "15:52"
          data_timings_Sunset = data_timings["Sunset"]; // "18:26"
          data_timings_Maghrib = data_timings["Maghrib"]; // "18:26"
          data_timings_Isha = data_timings["Isha"]; // "19:56"
          data_timings_Imsak = data_timings["Imsak"]; // "05:03"
          data_timings_Midnight = data_timings["Midnight"]; // "00:29"

          //Serial.println("fajr time:");
          //Serial.println(data_timings_Fajr);
          //Serial.println(data_timings_Dhuhr);
          //Serial.println(data_timings_Asr);
          //Serial.println(data_timings_Maghrib);
          //Serial.println(data_timings_Isha);

        }
      } else {
        Serial.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
      }

      http.end();
    } else {
      Serial.printf("[HTTP} Unable to connect\n");
    }
  }
}