Count Sunday Between Two Dates Using Java

In this post we will see how to find number of Sunday between two dates Using Java. Actually with this you can count any day of the week between two dates using Java.

Here we will find number of Sunday between 1st Oct 2020 and 31st Oct 2020. You can put any two dates. Let's go for it.

import java.util.Calendar;

public class NumberOfSundays {

	public static void main(String[] args) {
		Calendar startDate = Calendar.getInstance();
		startDate.set(2020, 9, 1);
		
		Calendar endDate = Calendar.getInstance();
		endDate.set(2020, 9, 31);
		
		int count = 0;
		
		while (startDate.before(endDate)) {
			if (startDate.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
				count++;
				startDate.add(Calendar.DATE, 7);
			} else {
				startDate.add(Calendar.DATE, 1);
			}
		}
		
		System.out.println(count);
	}

}

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