import java.util.*;
import java.text.*;
import java.text.ParseException;

public class MyClass {
    public static void main(String args[]) {
      try{
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm z");
                sdf.setTimeZone(TimeZone.getTimeZone("UTC"));
                Date date = sdf.parse("2020-03-04 03:02 PHT");
    
    }catch (Exception pe){
      System.out.println("error is" + pe.getMessage());
    }
        System.out.println("Program execution successful");
    }
}

causes :

The unparsed string is: 2020-03-04 03:02 PHT
java.text.ParseException: Unparseable date: "2020-03-04 03:02 PHT"
at java.text.DateFormat.parse(DateFormat.java:366)