In Java, what is the SimpleDateFormat format code?

java.text.SimpleDateFormat class is used to format and parse strings into dates and parse dates into strings.

Parsing date strings

One of the constructors of this class accepts a String value representing the desired date format and creates a SimpleDateFormat object. Parse/convert a string to a Date object

• Instantiate this class by passing the required format string.
• Use parse() to parse date string method.

The following is a list of letters used for formatting with their descriptions and examples -

##GEra IndicatorAD, BCyYear2005, 96YAnniversary2005, 1996 Mediummonths of the year September, September, 09L一Months of the yearSeptember, September, 09wOne Year Anniversary23##WWD##d##Hour of day (1-24)AM/PM (0- 11) Time# Number of hours in ##am/pm (1-12)Minutes of the hoursMinutes and secondszPacific Standard Time, Greenwich Mean Time-0500Time Zone

-06, -0600, -06:00

Date value: Mon Jun 25 00:00:00 IST 2007
Date value: Sun Jan 01 00:00:00 IST 1920
Date value: Sun Jan 01 00:00:00 IST 1989

Example

Letters	Component	Example
p> Week of the month	3
Day of the year	129
Someday in January	27	##F
Day of the week	5	E
Day of the week (name)	Monday, Monday	u
Day of the week (number)	1	a
AM/PM	Afternoon. AM	H
Hour of day (0-23)	0, 22	##k
1, 12, 24		K
0, 5, 11		h
1, 5, 12	td>米
25
24	##S	Milliseconds
756	##z
Time Zone
	Z	Time zone
	X
	Example	Live Demonstration import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class Sample { public static void main(String args[]) throws ParseException { SimpleDateFormat formatter = new SimpleDateFormat("yyyy/dd/MM"); Date date = formatter.parse("2007/25/06"); System.out.println("Date value: "+date); formatter = new SimpleDateFormat("y:G"); date = formatter.parse("1920:BC"); System.out.println("Date value: "+date); formatter = new SimpleDateFormat("D-M-Y"); date = formatter.parse("25-05-1989"); System.out.println("Date value: "+date); } } Output

Live Demonstration

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class Sample {
   public static void main(String args[]) throws ParseException {  
      SimpleDateFormat formatter1 = new SimpleDateFormat("HH:mm:ss");      
      Date time1 = formatter1.parse("07:25:30");
      System.out.println("Date value: "+time1);    
      SimpleDateFormat formatter2 = new SimpleDateFormat("EEE:MMM-d:YYYY");      
      Date time2 = formatter2.parse("Sun:Jan-8:2018");
      System.out.println("Date value: "+time2);    
      SimpleDateFormat formatter3 = new SimpleDateFormat("hh 'o''clock' a");      
      Date time3 = formatter3.parse("09 o'clock AM");
      System.out.println("Date value: "+time3);
   }
}

output

Date value: Thu Jan 01 07:25:30 IST 1970
Date value: Sun Dec 31 00:00:00 IST 2017
Date value: Thu Jan 01 09:00:00 IST 1970

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