Convert any date to GMT and compare two date

Datetest.java

package packagename;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

public class Datetest {

	public static String DATE_FORMAT = "yyyy-MM-dd hh:mm a zzz";

	public static void main(String[] args) {
		System.out.println("final date to GMT " + finalDate());
		System.out.println("current time: " + getCurrentDate() + "\n");
		System.out.println("result: " + compareTwoDate());
	}

	public static String finalDate() {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd ");
		String currentDate = sdf.format(new Date());

		SimpleDateFormat zoDateFormat = new SimpleDateFormat("zzz");
		String currentZone = zoDateFormat.format(new Date());
		return currentDate + "3:00 PM " + "GMT+6:00";
	}

	public static String getCurrentDate() {
		SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
		Date date = new Date();
		sdf.setTimeZone(TimeZone.getTimeZone("GMT+6:00"));
		return sdf.format(date);
	}

	public static String convertToGMTDate(String dateString) {
		SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
		Date date = new Date();
		try {
			date = sdf.parse(dateString);
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		sdf.setTimeZone(TimeZone.getTimeZone("GMT+6:00"));
		return sdf.format(date);
	}

	public static boolean compareTwoDate() {

		SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
		Date currentDateTime = null;
		Date setDateTime = null;
		try {
			currentDateTime = sdf.parse(getCurrentDate());
			setDateTime = sdf.parse(convertToGMTDate(finalDate()));
		} catch (ParseException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		if (currentDateTime.before(setDateTime)) {
			return true;
		} else {
			return false;
		}
	}
}