Esp8266 door security system using Blynk

1#include <NTPClient.h>
2#include <WiFiUdp.h>
3#define BLYNK_PRINT  Serial
4#include <ESP8266WiFi.h>
5#include <BlynkSimpleEsp8266.h>
6#define  BLYNK_TEMPLATE_ID "TMPLklvCnzID"
7#define BLYNK_DEVICE_NAME "Waterlevel"
8#define  BLYNK_AUTH_TOKEN "NiynCgMlR27a_U9YJwrDWoSHBFsPhEOK"
9char auth[] = BLYNK_AUTH_TOKEN;
10char  ssid[] = "GNXS-716170";  // Enter your Wifi Username
11char pass[] = "12032008";  
12WiFiUDP ntpUDP;
13NTPClient timeClient(ntpUDP, "pool.ntp.org");
14
15//Week  Days
16String weekDays[7]={"Sunday", "Monday", "Tuesday", "Wednesday",  "Thursday", "Friday", "Saturday"};
17
18//Month names
19String months[12]={"January",  "February", "March", "April", "May", "June", "July", "August", "September",  "October", "November", "December"};
20
21BlynkTimer timer;
22int InPin  = 5;
23void setup() {
24  pinMode(InPin, INPUT);
25    Blynk.begin(auth, ssid,  pass, "blynk.cloud", 80);
26    Serial.begin(9600);
27  timer.setInterval(100L,  sensor);
28  timeClient.begin();
29  // Set offset time in seconds to adjust for  your timezone, for example:
30  // GMT +1 = 3600
31  // GMT +8 = 28800
32  //  GMT -1 = -3600
33  // GMT 0 = 0
34  timeClient.setTimeOffset(19800);
35}
36void  sensor() {
37  int  currentState = digitalRead(InPin);
38  Serial.println(currentState);
39  if (currentState == 1){
40    timeClient.update();
41
42  time_t epochTime  = timeClient.getEpochTime();
43  
44  String formattedTime = timeClient.getFormattedTime();
45
46  String weekDay = weekDays[timeClient.getDay()];
47
48  //Get a time structure
49  struct tm *ptm = gmtime ((time_t *)&epochTime); 
50
51  int monthDay = ptm->tm_mday;
52  int currentMonth = ptm->tm_mon+1;
53
54  String currentMonthName = months[currentMonth-1];
55
56  int currentYear = ptm->tm_year+1900;
57
58  //Print complete date:
59  String  currentDate = String(monthDay) + "-" + String(currentMonth) + "-" + String(currentYear);
60    String tim = formattedTime + " , " + currentDate;
61    String string = "door  was last opened at " + tim;
62    Blynk.virtualWrite(V0, string);
63    delay(3000);
64  }
65}
66void loop() {
67  Blynk.run();//Run the Blynk library
68  timer.run();//Run  the Blynk timer
69}