Java tutorial
import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static void main(String[] args) throws Exception { // Declare a date format for parsing SimpleDateFormat dateParser = new SimpleDateFormat("h:mm a"); // Parse the time string Date date = dateParser.parse("3:30 PM"); // Declare a date format for printing SimpleDateFormat dateFormater = new SimpleDateFormat("HH:mm"); // Print the previously parsed time System.out.println(dateFormater.format(date)); } }