Java Calendar setTimeInMillis() Method

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Description

The Java Calendar setTimeInMillis(long) method sets Calendar's current time from the given long value.

Declaration

Following is the declaration for java.util.Calendar.setTimeInMillis() method

public void setTimeInMillis(long millis)

Parameters

millis − the new time in UTC milliseconds from the epoch.

Return Value

This method does not return a value.

Exception

NA

Setting Time in Milliseconds in a Current Dated Calendar Instance Example

The following example shows the usage of Java Calendar setTimeInMillis() method. We're creating an instance of a Calendar of current date using getInstance() method and printing the date and time using getTime() method. Then we're updating the date by using setTimeInMillis(). In the end, updated date is printed.

package com.tutorialspoint;

import java.util.Calendar;

public class CalendarDemo {
   public static void main(String[] args) {

      // create a calendar
      Calendar cal = Calendar.getInstance();

      // get the time
      System.out.println("Current time is :" + cal.getTime());

      // set time to 5000 ms after january 1 1970
      cal.setTimeInMillis(5000);

      // print the new time
      System.out.println("After setting Time:  " + cal.getTime());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

Current time is :Wed Sep 28 17:56:54 IST 2022
After setting Time:  Thu Jan 01 05:30:05 IST 1970

Setting Time in Milliseconds in a Current Dated GregorianCalendar Instance Example

The following example shows the usage of Java Calendar setTimeInMillis() method. We're creating an instance of a Calendar of current date using GregorianCalendar() method and printing the date and time using getTime() method. Then we're updating the date by setting it using setTimeInMillis(). In the end, updated date is printed.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.GregorianCalendar;

public class CalendarDemo {
   public static void main(String[] args) {

      // create a calendar
      Calendar cal = new GregorianCalendar();

      // get the current time
      System.out.println("Current time is :" + cal.getTime());

      // set time to 5000 ms after january 1 1970
      cal.setTimeInMillis(5000);

      // print the new time
      System.out.println("After setting Time:  " + cal.getTime());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

Current time is :Wed Sep 28 17:59:23 IST 2022
After setting Time:  Thu Jan 01 05:30:05 IST 1970

Setting Time in Milliseconds in a Given Dated GregorianCalendar Instance Example

The following example shows the usage of Java Calendar setTimeInMillis() method. We're creating an instance of a Calendar of particular date using GregorianCalendar() method and printing the date and time using getTime() method. Then we're updating the date by setting it using setTimeInMillis(). In the end, updated date is printed.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.GregorianCalendar;

public class CalendarDemo {
   public static void main(String[] args) {

      // create a calendar
      Calendar cal = new GregorianCalendar(2022,8,27);

      // get the current time
      System.out.println("Current time is :" + cal.getTime());

      // set time to 5000 ms after january 1 1970
      cal.setTimeInMillis(5000);

      // print the new time
      System.out.println("After setting Time:  " + cal.getTime());
   }
}

Output

Let us compile and run the above program, this will produce the following result −

Current time is :Tue Sep 27 00:00:00 IST 2022
After setting Time:  Thu Jan 01 05:30:05 IST 1970