How to get (format) date and time from mill seconds in Java?

Java Server Side Programming Programming

The java.text.SimpleDateFormat class is used to format and parse a string to date and date to string.

One of the constructors of this class accepts a String value representing the desired date format and creates SimpleDateFormat object.

To format milli seconds to date −

Create the format string as dd MMM yyyy HH:mm:ss:SSS Z.
The Date class constructor accepts a long value representing the milliseconds as a parameter and creates a date object.
Finally format the date object using the format() method.

Example

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
public class Sample {
   public static void main(String args[]) throws ParseException {
      long msec = 3550154;
      //Instantiating the SimpleDateFormat class
      SimpleDateFormat dateformatter = new SimpleDateFormat("dd MMM yyyy HH:mm:ss:SSS Z");
      //Parsing the given String to Date object
      Date date = new Date(msec);
      System.out.println("Date value: "+dateformatter.format(date));
   }
}

Output

Date value: 01 Jan 1970 06:29:10:154 +0530

Example

import java.util.Calendar;
import java.util.Date;
public class Sample {
   public static void main(String args[]) {
      Calendar calendar = Calendar.getInstance();
      long msec = calendar.getTimeInMillis();
      Date obj = new Date(msec);
      System.out.println(obj);
   }
}

Output

Wed Nov 11 22:04:59 IST 2020

Krishna Kasyap

Published on 06-Feb-2021 04:28:05

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