Parsing Java String to date

Question

log(2 different dates):

START TIME BEFORE PARSE: 06/27/2012 09:00
START TIME AFTER PARSE : Thu Mar 06 09:00:00 EET 2014


START TIME BEFORE PARSE: 07/06/2012 09:00
START TIME AFTER PARSE : Thu Jun 07 09:00:00 EEST 2012

code :

DateFormat sdf = new SimpleDateFormat("dd/MM/yyyy HH:mm");
            Date date = sdf.parse(time);
            System.out.println("TIME BEFORE PARSE: " + time);
            System.out.println("TIME AFTER PARSE : " + date);

Why does it mess up the year? How to get it to work?

It does mess up the year in which way ? Do you have an output for that ? — John Threepwood
– John Threepwood, Commented Jul 10, 2012 at 7:00

Csujo · Accepted Answer · 2012-07-10 07:00:07Z

6

Because you inverted the month with the date:

              dd/MM/yyyy HH:mm
              06/27/2012 09:00

There is not 27th month in a year.

answered Jul 10, 2012 at 7:00

Csujo

5072 silver badges6 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Jaanus Over a year ago

Ok, but what I want, is the dd/MM/yyyy HH:mm format, can I somehow reverse it, like I tried to?

Wayne · Accepted Answer · 2012-07-10 07:00:16Z

2

The month in the first example is 27 which isn't valid in any calendar I'm aware of. (You probably just got the day/month ordering wrong, either on your input, or in the format you've chosen.)

answered Jul 10, 2012 at 7:00

Wayne

60.5k15 gold badges135 silver badges129 bronze badges

1 Comment

Jaanus Over a year ago

Ok, but what I want, is the dd/MM/yyyy HH:mm format, can I somehow reverse it, like I tried to?

JB Nizet · Accepted Answer · 2012-07-10 07:01:26Z

2

You use the pattern dd/MM/yyyy to parse the date 06/27/2012. I doubt 27 is a month. The appropriate format is MM/dd/yyyy.

The DateFormat is lenient by default, and will thus consider 27 as a valid month: 2 years + 3 months, so you end up in March, 2 years later.

answered Jul 10, 2012 at 7:01

JB Nizet

694k94 gold badges1.3k silver badges1.3k bronze badges

2 Comments

Jaanus Over a year ago

Ok, but what I want, is the dd/MM/yyyy HH:mm format, can I somehow reverse it, like I tried to?

JB Nizet Over a year ago

Your question makes no sense: you have a String representing a date in the format MM/dd/yyyy. It's like that, and you have no choice. If the string doesn't have the appropriate format, fix the code where this string is produced, not the code where it's parsed.

Pramod Kumar · Accepted Answer · 2012-07-10 07:07:16Z

1

    String time = "06/27/2012 09:00";
    DateFormat sdf = new SimpleDateFormat("MM/dd/yyyy HH:mm");
    Date date = sdf.parse(time);
    System.out.println("TIME BEFORE PARSE: " + time);
    System.out.println("TIME AFTER PARSE : " + date);

In your example date format is wrong. You have give "dd/MM/yyyy HH:mm" which should be "MM/dd/yyyy HH:mm"

answered Jul 10, 2012 at 7:07

Pramod Kumar

8,0345 gold badges30 silver badges37 bronze badges

Comments

Kumar Vivek Mitra · Accepted Answer · 2012-07-10 07:08:48Z

0

You have used the pattern dd/MM/YYYY , but you have entered the date as MM/dd/YYYY, causing you this weird behaviour..

answered Jul 10, 2012 at 7:08

Kumar Vivek Mitra

33.5k6 gold badges50 silver badges75 bronze badges

Collectives™ on Stack Overflow

Parsing Java String to date

5 Answers 5

1 Comment

1 Comment

2 Comments

Comments

Comments

Your Answer

Linked

Hot Network Questions

Collectives™ on Stack Overflow

5 Answers 5

1 Comment

1 Comment

2 Comments

Comments

Comments

Your Answer

Sign up or log in

Post as a guest

Linked

Related