Java SimpleDateFormat parse issue into WEKA

I swear I'm using the correct date format but I keep getting a parse error when loading into WEKA.

"MonFeb2116:00:00+0000"
"EEEMMMddHH:mm:ssZ"

Here is an example dataset:

@RELATION example

@ATTRIBUTE tweetid STRING 
@ATTRIBUTE timestamp DATE "EEEMMMddhh:mm:ssZ"
@ATTRIBUTE I NUMERIC
@ATTRIBUTE a NUMERIC
@ATTRIBUTE cool NUMERIC
@ATTRIBUTE foo NUMERIC
@ATTRIBUTE bar NUMERIC
@ATTRIBUTE temp NUMERIC
@ATTRIBUTE class {POS,NEG}

@DATA
39715973388828673,"MonFeb2116:00:00+0000",0,0,0,0,2,2,?
39716148329197568,"MonFeb2116:00:42+0000",0,1,0,0,0,1,?
39715973388828673,"MonFeb2116:00:51+0000",1,0,0,0,0,0,?
39723030380941312,"MonFeb2116:28:03+0000",0,0,0,0,0,0,?
39723030531944448,"MonFeb2116:28:03+0000",0,0,0,0,0,0,?
39723031433707520,"MonFeb2116:28:03+0000",0,0,0,0,0,0,?

WEKA Error:

unparseable date "MonFeb2116:00:00+0000, read Token[MonFeb2116:00:00+0000], line 21

Have used the API documentation to double check - missing something?

http://download.oracle.com/javase/1.4.2/docs/api/java/text/SimpleDateFormat.html

EDIT -----------

@RELATION example

@ATTRIBUTE tweetid STRING 
@ATTRIBUTE timestamp DATE "EEE MMM dd hh:mm:ss Z"
@ATTRIBUTE I NUMERIC
@ATTRIBUTE a NUMERIC
@ATTRIBUTE cool NUMERIC
@ATTRIBUTE foo NUMERIC
@ATTRIBUTE love NUMERIC
@ATTRIBUTE temp NUMERIC
@ATTRIBUTE class {POS,NEG}

@DATA
39715973388828673,"Mon Feb 21 16:00:00 +0000",0,0,0,0,2,2,?
39716148329197568,"Mon Feb 21 16:00:42 +0000",0,1,0,0,0,1,?
39715973388828673,"Mon Feb 21 16:00:51 +0000",1,0,0,0,0,0,?
39723030380941312,"Mon Feb 21 16:28:03 +0000",0,0,0,0,0,0,?
3972开发者_高级运维3030531944448,"Mon Feb 21 16:28:03 +0000",0,0,0,0,0,0,?
39723031433707520,"Mon Feb 21 16:28:03 +0000",0,0,0,0,0,0,?

Formatted date to separate tokens with space. Still not playing ball in WEKA...

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Which default locale are you using? Using an English locale, the String "MonFeb2116:00:00+0000" should be parseable with the pattern "EEEMMMddHH:mm:ssZ". Note however, that the year will default to 1970, if not present in the pattern or parsed string. That is probably not what you really want.

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Well, I don't know whether it'll sort everything out or not, but try changing hh (12-hour format) to HH (24-hour format). I'm not sure whether it'll be able to read a "day of the week / month name" without any spaces even so... do you have to get the value in that format? If you could put a space after the 3rd and 6th characters it would help...