Creating date in java with SimpleDateFormat [duplicate]

Question

Update: Really?!!! Duplicate??? My format is correct (yyyy/MM/dd HH:mm:ss) but return time is incorrect. How this is similar to another question????

I'm trying to create java Date but it's always return wrong value. This is my code:

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:MM:SS");
Date GreDate = dateFormat.parse("2014/03/22 00:00:00");

And GreDate return Sun Dec 22 00:00:00 GMT+03:30 2013 as value. Please don't suggest to use external library for date type.

Update:

I changed my pattern to this:

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

Now GreDate returns Sat Mar 22 01:00:00 GMT+04:30 2014. Year is correct but time still not 00:00:00.

"M | Month in year (context sensitive) | Month | July; Jul; 07"; "m | Minute in hour Number | 30" ; "S | Millisecond | Number | 978". Don't forget to have a read through the JavaDocs — MadProgrammer
– MadProgrammer, Commented Sep 7, 2015 at 7:20
Possibly the same question Converting String to date using SimpleDateFormat. — Naman Gala
– Naman Gala, Commented Sep 7, 2015 at 7:23
it should be timezone issue,dateFormat.setTimeZone(TimeZone.getTimeZone("${inputyourtimezone}")); you can set timezone before date parse. — Kerwin
– Kerwin, Commented Sep 7, 2015 at 7:51
I also think your question has the answer there. If you don't agree, edit your question to make clear the difference, and explain it in comment. — peterh
– peterh, Commented Sep 13, 2015 at 5:05

peterh · Accepted Answer · 2015-09-13 05:08:09Z

0

Note that:

MM are the months, mm are the minutes.
SS are the milliseconds, ss are the seconds.

So you need to change your dateFormat to

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");

Basically there are two errors in your pattern, both in the time part (seconds and minutes).

Here is the link to the complete documentation link.

edited Sep 13, 2015 at 5:08

peterh

1

answered Sep 7, 2015 at 7:20

Davide Lorenzo MARINO

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5 Comments

Hossein Rashno Over a year ago

That's solve year problem and return 'Sat Mar 22 01:00:00 GMT+04:30 2014' But I want time be 00:00:00 Not 01:00:00

MadProgrammer Over a year ago

@HosseinR What does System.out.println(dateFormat.format(GreDate));? I suspect that your timezone might be interfering with your results

Hossein Rashno Over a year ago

@MadProgrammer It's return "2014/03/22 01:00:00"

MadProgrammer Over a year ago

@HosseinR Hmm, works fine for :P. What's your TimeZone

Hossein Rashno Over a year ago

@MadProgrammer My timezone is +4:30 (Tehran)

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