String pattern = "MMM dd, yyyy hh:mm:ss a";
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);
Date date = simpleDateFormat.parse("Mar 27, 2019 01:50:34 PM");
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("Asia/Colombo"));
cal.setTime(date);
int year = cal.get(Calendar.YEAR);
System.out.println("year : "+year);

int month = cal.get(Calendar.MONTH);
System.out.println("month : "+month);

int dayOfMonth = cal.get(Calendar.DAY_OF_MONTH);
System.out.println("day of month : "+dayOfMonth);

int dayOfWeekInMonth = cal.get(Calendar.DAY_OF_WEEK_IN_MONTH);
System.out.println("day of week in month : "+dayOfWeekInMonth);

int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
System.out.println("day of week : "+dayOfWeek);

int hourIn12 = cal.get(Calendar.HOUR);
System.out.println("hour in 12 : "+hourIn12);

int hourIn24 = cal.get(Calendar.HOUR_OF_DAY);
System.out.println("hour in 24 : "+hourIn24);

int minutes = cal.get(Calendar.MINUTE);
System.out.println("minutes : "+minutes);

int seconds = cal.get(Calendar.SECOND);
System.out.println("seconds : "+seconds);

// year : 2019
// month : 2
// day of month : 27
// day of week in month : 4
// day of week : 4
// hour in 12 : 1
// hour in 24 : 13
// minutes : 50
// seconds : 34