Display day number with SimpleDateFormat('d') in Java

Java 8Object Oriented ProgrammingProgramming

To display the day number, use the SimpleDateFormat('d') as shown below −

Format f = new SimpleDateFormat("d");
String strDay = f.format(new Date());
System.out.println("Day Number = "+strDay);

Since, we have used the Format and SimpleDateFormat class above, therefore import the following packages. With that, we have also used the Date −

import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;

The following is an example −

Example

 Live Demo

import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;
public class Demo {
   public static void main(String[] args) throws Exception {
      // displaying current date and time
      Calendar cal = Calendar.getInstance();
      SimpleDateFormat simpleformat = new SimpleDateFormat("dd/MMMM/yyyy hh:mm:s");
      System.out.println("Today's date = "+simpleformat.format(cal.getTime()));
      // current time
      Format f = new SimpleDateFormat("HH.mm.ss Z");
      String strResult = f.format(new Date());
      System.out.println("Time = "+strResult);
      // displaying day number
      f = new SimpleDateFormat("d");
      String strDay = f.format(new Date());
      System.out.println("Day Number = "+strDay);
      // displaying hour
      f = new SimpleDateFormat("H");
      String strHour = f.format(new Date());
      System.out.println("Current Hour = "+strHour);
      // displaying minutes
      f = new SimpleDateFormat("mm");
      String strMinute = f.format(new Date());
      System.out.println("Current Minutes = "+strMinute);
      // displaying seconds
      f = new SimpleDateFormat("ss");
      String strSeconds = f.format(new    Date());
      System.out.println("Current Seconds = "+strSeconds);
   }
}

Output

Today's date = 26/November/2018 08:57:31
Time = 08.57.31 +0000
Day Number = 26
Current Hour = 8
Current Minutes = 57
Current Seconds = 31
raja
Published on 26-Dec-2018 15:55:54
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