Java SimpleDateFormat: Unparseable Date exception

Question

The code is as mentioned below:

public static void main(String[] args){
    Date date = new Date();
    DateFormat dateFormat= new SimpleDateFormat("dd-MMM-yyy");

    try{
        Date formattedDate = dateFormat.parse(date.toString());
        System.out.println(formattedDate.toString());
    }catch(ParseException parseEx){
        parseEx.printStackTrace();
    }
}

In code above, dateFormat.parse(date.toString()) is throwing unparseable date exception: Unparseable date: "Mon Jan 28 18:53:24 IST 2013

I am not able to figure out the reason for it.

Are you trying to get the string representation of your date in the given format? — Rohit Jain
– Rohit Jain, Commented Jan 28, 2013 at 13:27

RubioRic · Accepted Answer · 2020-02-20 16:00:18Z

5

Format the java.util.Date instance into String using SimpleDateFormat.format(java.util.Date)

Date date = new Date();
DateFormat dateFormat= new SimpleDateFormat("dd-MMM-yyy");

try {
    Date formattedDate = dateFormat.parse(dateFormat.format(date));
    System.out.println(formattedDate.toString());

} catch (ParseException parseEx) {
   parseEx.printStackTrace();
}

edited Feb 20, 2020 at 16:00

RubioRic

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answered Jan 28, 2013 at 13:25

PermGenError

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Comments

Kurt Du Bois · Accepted Answer · 2013-01-28 13:26:44Z

4

Why would you want to convert a date to a string and parse it back to a date?

The reason your code fails is because you are trying to convert a full date with a formatter which only accepts dates in the dd-MMM-yyy-format.

answered Jan 28, 2013 at 13:26

Kurt Du Bois

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3 Comments

Priyank Thakkar Over a year ago

I wanted to check if formmattedDate.toString() will return a full date or date in dd-MMM-yyyy format.

LoveForDroid Over a year ago

@kurt: I am facing same issue as you mentioned. I have to convert a full date: "2/18/2016 10:55:16 AM" into a format "EEE MMMMM dd, yyyy". It is giving me unaparseable Unparseable date Exception. What is the workaround?

Vijai Over a year ago

If you have 'T' in date format (e.g. "2018-01-31T16:01:49") use this date format DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss")

Achintya Jha · Accepted Answer · 2013-01-28 14:37:15Z

2

public static void main(String[] args) throws ParseException {

    Date date = new Date();
    DateFormat dateFormat = new SimpleDateFormat(
            "EEE MMM d HH:mm:ss Z yyyy");

    Date formattedDate = dateFormat.parse(date.toString());
    System.out.println(formattedDate);

}

This is what you exactly want to do ...yes?

edited Jan 28, 2013 at 14:37

answered Jan 28, 2013 at 13:35

Achintya Jha

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