Java Program to Get Current Date/TIme
Example 1: Get Current date and time in default format
import java.time.LocalDateTime;
public class CurrentDateTime {
public static void main(String[] args) {
LocalDateTime current = LocalDateTime.now();
System.out.println("Current Date and Time is: " + current);
}
}
When you run the program, the output will be:
Current Date and Time is: 2017-08-02T11:25:44.973
In the above program, the current date and time is stored in variable current using LocalDateTime.now()
method.
For default format, it is simply converted from a LocalDateTime
object to a string internally using a toString()
method.
Example 2: Get Current date and time with pattern
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
public class CurrentDateTime {
public static void main(String[] args) {
LocalDateTime current = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
String formatted = current.format(formatter);
System.out.println("Current Date and Time is: " + formatted);
}
}
When you run the program, the output will be:
Current Date and Time is: 2017-08-02 11:29:57.401
In the above program, we’ve defined a pattern of format Year-Month-Day Hours:Minutes:Seconds.Milliseconds
using a DateTimeFormatter
object.
Then, we’ve used LocalDateTime
‘s format()
method to use the given formatter. This gets us the formatted string output.
Example 3: Get Current Date time using predefined constants
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
public class CurrentDateTime {
public static void main(String[] args) {
LocalDateTime current = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.BASIC_ISO_DATE;
String formatted = current.format(formatter);
System.out.println("Current Date is: " + formatted);
}
}
When you run the program, the output will be:
Current Date is: 20170802
In the above program, we’ve used a predefined format constant BASIC_ISO_DATE
to get the current ISO date as the output.
Example 4: Get Current Date time in localized style
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.format.FormatStyle;
public class CurrentDateTime {
public static void main(String[] args) {
LocalDateTime current = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM);
String formatted = current.format(formatter);
System.out.println("Current Date is: " + formatted);
}
}
When you run the program, the output will be:
Current Date is: Aug 2, 2017 11:44:19 AM
In the above program, we’ve used a Localized style Medium
to get the current date time in the given format. There are other styles as well: Full
, Long
and Short
.