Java Date and Time Hacker Rank Solution

Hello coders, In this post, you will learn how to solve Java Date and Time Hacker Rank Solution. This problem is a part of the Java programming series. 

One more thing to add, don’t straight away look for the solutions, first try to solve the problems by yourself. If you find any difficulty after trying several times, then look for the solutions.

Java Date and Time Hacker Rank Solution
Java Date and Time Hacker Rank Solution

Java Date and Time Hacker Rank Solution


The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.

You are given a date. You just need to write the method, get day , which returns the day on that date. To simplify your task, we have provided a portion of the code in the editor.



The method should return MONDAY as the day on that date.

Java Date and Time Hacker Rank Solution

Function Description

Complete the findDay function in the editor below.

findDay has the following parameters:

  • int: month
  • int: day
  • int: year


  • string: the day of the week in capital letters

Input Format

A single line of input containing the space separated month, day and year, respectively, in MM DD YYYY format.


  • 2000<Year<3000

Sample Input

08 05 2015

Sample Output



The day on August 5th 2015 was WEDNESDAY.

Java Date and Time Hacker Rank Solution

import java.math.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;
class Result {
     * Complete the 'findDay' function below.
     * The function is expected to return a STRING.
     * The function accepts following parameters:
     *  1. INTEGER month
     *  2. INTEGER day
     *  3. INTEGER year
    public static String findDay(int month, int day, int year) {
        Calendar cal = Calendar.getInstance();
String dayOfWeek = cal.getDisplayName(Calendar.DAY_OF_WEEK, Calendar.LONG, Locale.US).toUpperCase();
        return dayOfWeek;
public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(;
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
        String[] firstMultipleInput = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");
        int month = Integer.parseInt(firstMultipleInput[0]);
        int day = Integer.parseInt(firstMultipleInput[1]);
        int year = Integer.parseInt(firstMultipleInput[2]);
        String res = Result.findDay(month, day, year);

Disclaimer: The above Problem (Java Date and Time) is generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes. Authority if any of the queries regarding this post or website fill the following contact form thank you.

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