Java Simpledateformat Timezone Offset with Minute Separated by Colon

Java SimpleDateFormat Timezone offset with minute separated by colon

You can get the timezone offset formatted like +01:00 with the SimpleDateFormat in Java 7 (yyyy-MM-dd'T'HH:mm:ss.SSSXXX), or with the Joda's DateTimeFormat (yyyy-MM-dd'T'HH:mm:ss.SSSZZ).

Java SimpleDateFormat for time zone with a colon separator?

JodaTime's DateTimeFormat to rescue:

String dateString = "2010-03-01T00:00:00-08:00";
String pattern = "yyyy-MM-dd'T'HH:mm:ssZ";
DateTimeFormatter dtf = DateTimeFormat.forPattern(pattern);
DateTime dateTime = dtf.parseDateTime(dateString);
System.out.println(dateTime); // 2010-03-01T04:00:00.000-04:00

(time and timezone difference in toString() is just because I'm at GMT-4 and didn't set locale explicitly)

If you want to end up with java.util.Date just use DateTime#toDate():

Date date = dateTime.toDate();

Wait for JDK7 (JSR-310) JSR-310, the referrence implementation is called ThreeTen (hopefully it will make it into Java 8) if you want a better formatter in the standard Java SE API. The current SimpleDateFormat indeed doesn't eat the colon in the timezone notation.

Update: as per the update, you apparently don't need the timezone. This should work with SimpleDateFormat. Just omit it (the Z) in the pattern.

String dateString = "2010-03-01T00:00:00-08:00";
String pattern = "yyyy-MM-dd'T'HH:mm:ss";
SimpleDateFormat sdf = new SimpleDateFormat(pattern);
Date date = sdf.parse(dateString);
System.out.println(date); // Mon Mar 01 00:00:00 BOT 2010

(which is correct as per my timezone)

Is there a way to using date format's offset parameter with colon?

What you are talking about is not a time zone (like UTC), it is an offset (like +01:00).

You can use the modern date time API java.time, which has a built-in DateTimeFormatter.ISO_OFFSET_DATE_TIME, that formats the offset as desired:

import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;

public class StackoverflowDemo {

    public static void main(String[] args) {
        OffsetDateTime odt = OffsetDateTime.now();
        System.out.println(odt.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME));
    }
}

The output on my system is this:

2019-11-15T11:30:46.532+01:00

Java date offset format issue?

You can use this format

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");

Have a look at the doc for more info.

P.S:- As my friend @Thomas mentioned, this will work only with Java 7 and above.

Unparsable Date with colon-separated timezone

Starting from Java7, to handle +02:00, you can use the following format:

"yyyy-MM-dd'T'hh:mm:ssXXX"

This can be seen in the SimpleDateFormat documentation

SimpleDateFormat question for timezone offset +AA:BB

I confirm that this is not a Pi issue. I switched my local time zone to UTC and ran the following example:

long current = System.currentTimeMillis(); 
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss,SSSXXX"); 
Date date = new Date(current);
String parsed = format.format(date);
System.out.println(parsed);

2020-08-31T15:05:27,872Z

And the Z appeared, on Windows 10. I have missed that part of the ISO spec. It seems I have to workaround my tests for this situation :). Thanks everyone!

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