java utc date operations

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

String strDate = "2019-04-01T00:00";
// create format
SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm");
DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("UTC"));

// parse date
Date date = DATE_FORMAT.parse(strDate);

// set date to calendar
Calendar cal = Calendar.getInstance();
cal.setTimeZone(TimeZone.getTimeZone("UTC"));
cal.setTime(date);

// create str date from calendar
String newDateStart = DATE_FORMAT.format(cal.getTime());

// prints:
// 2017-01-01T00:00