How to get current date, month, year and day of week in Java program

Here is quick Java tip to get current date, month, year and day of week
from Java program. Java provides a rich Date and Time API though having thread-safety
issue but its rich in function and if used locally can give you all the
date and time information which you need for your enterprise Java application. In
last Java tutorial on Date and Time API we have seen how
to get current date and time from different timezone using DateFormat and SimpleDateFormat classes
and in this post we will get some more details like current month, year, day of
week etc by using java.util.Calendar class.  Just keep in mind that Calendar instance should
not be shared between multiple threads. Calendar class in
Java provides different fields to get different information e.g. Calendar.DATE gives you
current date while Calendar.MONTH gives you current month based on
what type of Calendar you are using, which depends upon
locale.

Java program to get current month, year,
date and day of week

Here is complete Java program to get various date and time related
information using java.util.Calendar class. In this program we
are retrieving current time, current day, current month, current year, current
day of week and current day of month to demonstrate rich functionality of java.util.Calendar class.
Calendar can also be used to get
current time or date in different timezone, which can be provided to
Calendar class while calling getInstance() method of java.util.Calendar.

import java.util.Calendar;

import java.util.Date;

import java.util.TimeZone;



public class
JavaCalendarExample {



    public static void
main(String args[]) {

        //getting local
time, date, day of week and other details in local timezone

        Calendar localCalendar = Calendar.getInstance(TimeZone.getDefault());

     

        Date currentTime = localCalendar.getTime();

        int
currentDay = localCalendar.get(Calendar.DATE);

        int
currentMonth = localCalendar.get(Calendar.MONTH) + 1;

        int
currentYear = localCalendar.get(Calendar.YEAR);

        int
currentDayOfWeek = localCalendar.get(Calendar.DAY_OF_WEEK);

        int
currentDayOfMonth = localCalendar.get(Calendar.DAY_OF_MONTH);

        int
CurrentDayOfYear = localCalendar.get(Calendar.DAY_OF_YEAR);



        System.out.println("Current Date and time details in local timezone");

        System.out.println("Current Date: " + currentTime);

        System.out.println("Current Day: " + currentDay);

        System.out.println("Current Month: " + currentMonth);

        System.out.println("Current Year: " + currentYear);

        System.out.println("Current Day of Week: " + currentDayOfWeek);

        System.out.println("Current Day of Month: " +
currentDayOfMonth);

        System.out.println("Current Day of Year: " + CurrentDayOfYear);



     

     

        //getting time,
date, day of week and other details in GMT timezone

        Calendar gmtCalendar = Calendar.getInstance(TimeZone.getTimeZone("GMT"));

        //rest of stuff are
same

    }



}



Output:

Current Date: Mon Jan 16 05:25:34 VET 2012

Current Day: 16

Current Month: 1

Current Year: 2012

Current Day of Week: 2

Current Day of Month: 16

Current Day of Year: 16

That’s all on how to get current day,current month and year , current day
of moth and day of week in Java . As I said Date and Time API in Java is very
rich but has some serious issue like SimpleDateFormat
is not thread-safe but hoping to get these issue resolved soon when Java 8
is coming with new Date and Time API. There is still an alternative with JODA
Date and Time API but that is always second choice to me because of additional
dependency on project.

Other Date and Time Java tutorials from Javarevisited Blog

How
to format Date in dd-mm-yy format in Java

How
to create Date from String in Java with Example

Difference
between java.util.Date and java.sql.Date in Java

Difference
between java.sql.Time, java.sql.Timestamp and java.util.Date in Java

How
to convert Date to String in Java with Example

Source:http://javarevisited.blogspot.com/2012/12/how-to-get-current-date-month-year-dayoweek-dayofmonth-java-example.html