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Showing content from https://www.tutorialspoint.com/java/util/calendar_getinstance.htm below:

Java Calendar getInstance() Method

The Java Calendar getInstance() method gets a calendar using the current time zone and locale.

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

public static Calendar getInstance()

NA

The method returns a Calendar.

NA

The Java Calendar getInstance(Locale locale) method gets a calendar using the current time zone and specified locale.

Following is the declaration for java.util.Calendar.getInstance(Locale locale) method

public static Calendar getInstance(Locale locale)

locale − the locale for the calendar data

The method returns a Calendar.

NA

The Java Calendar getInstance(TimeZone zone) method Gets a calendar using the specified time zone and current locale.

Following is the declaration for java.util.Calendar.getInstance(TimeZone zone) method

public static Calendar getInstance(TimeZone zone)

zone − the time zone for the calendar data

The method returns a Calendar.

NA

The Java Calendar getInstance(TimeZone zone,Locale locale) method gets a calendar using the specified time zone and specified locale.

Following is the declaration for java.util.Calendar.getInstance(TimeZone zone,Locale locale) method

public static Calendar getInstance(TimeZone zone,Locale locale)

• zone − the time zone for the calendar data

• locale − the locale for the calendar data

The method returns a Calendar.

NA

The following example shows the usage of Java Calendar getInstance() method. We're creating an instance of a Calendar of current date using getInstance() method and printing the date and time.

package com.tutorialspoint;

import java.util.Calendar;

public class CalendarDemo {
   public static void main(String[] args) {
   
      // create a calendar    
      Calendar cal = Calendar.getInstance();

      // gets a calendar using the default time zone and locale.
      System.out.print("Date And Time Is: " + cal.getTime());
   }
}

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

Date And Time Is: Sat Sep 24 14:20:50 IST 2022

The following example shows the usage of Java Calendar getInstance(Locale) method. We're creating an instance of a Calendar of current date using getInstance(locale) method and printing the date and time.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.Locale;

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

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

      // print the date for canada 
      System.out.println("Date And Time: " + cal.getTime());
   }
}

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

Date And Time: Sat Sep 24 14:26:09 IST 2022

The following example shows the usage of Java Calendar getInstance(TimeZone) method. We're creating an instance of a Calendar of current date using getInstance(TimeZone) method and printing the time zone of the calendar instance.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.TimeZone;

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

      // create a calendar
      TimeZone tz1 = TimeZone.getTimeZone("GMT");
      Calendar cal1 = Calendar.getInstance(tz1);

      // create a second calendar with different timezone
      TimeZone tz2 = TimeZone.getTimeZone("EST");
      Calendar cal2 = Calendar.getInstance(tz2);

      // display time zone for both calendars
      System.out.println("GMT: " + cal1.getTimeZone().getDisplayName());
      System.out.println("EST: " + cal2.getTimeZone().getDisplayName());
   }
}

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

GMT: Greenwich Mean Time
EST: Eastern Standard Time

The following example shows the usage of Java Calendar getInstance(Locale, TimeZone) method. We're creating an instance of a Calendar of current date using getInstance(Locale, TimeZone) method and printing the time zone and locale of the calendar instance.

package com.tutorialspoint;

import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;

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

      // create a calendar
      Locale locale1 = Locale.CANADA;
      TimeZone tz1 = TimeZone.getTimeZone("GMT");
      Calendar cal1 = Calendar.getInstance(tz1, locale1);

      // create a second calendar with different timezone and locale
      Locale locale2 = Locale.GERMANY;
      TimeZone tz2 = TimeZone.getTimeZone("EST");
      Calendar cal2 = Calendar.getInstance(tz2, locale2);

      String name1 = locale1.getDisplayName();
      String name2 = locale2.getDisplayName();
      System.out.println("GMT and Canada: " + cal1.getTimeZone().getDisplayName() + " " + name1);
      System.out.println("EST and Germany: " + cal2.getTimeZone().getDisplayName() + " " + name2);
   }
}

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

GMT and Canada: Greenwich Mean Time English (Canada)
EST and Germany: Eastern Standard Time German (Germany)

java_util_calendar.htm

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