NSDataFormatter dateFromString results in incorrect output - iphone

Question

Here is my code :
[dateFormat setDateFormat:#"EEE MM d HH:mm:ss yyyy"];
logDate = [dateFormat dateFromString:[line substringToIndex:24]];
line consist of string : "Mon Feb 18 09:25:53 2013: FAILED : Configuration-Update :"
I get the date alone "Mon Feb 18 09:25:53 2013" and formatted it with #"EEE MM d HH:mm:ss yyyy" format.
I get an incorrect output : "2013-02-18 03:55:53 -0000" Time alone is printed incorrectly. I followed Date Format Patterns for specifying patters but still I am phasing this issue. I am not able to understand where it going wrong.. It would be helpful if someone finds the problem.
thanks in advance

Answer 1

Try this one
NSDate *date = [NSDate date];
NSDateFormatter * formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:#"EEE MM d hh:mm:ss yyyy"];
NSLog(#"%#",[formatter stringFromDate:date]);
NSLog(#"%#",date);
When you just log using NSLog you get the UTC format (UTC consists of offset value, in India its standard time +5.30)that is yyyy-MM-d HH:mm:ss z , z is the offset added or subtracted to or from current time based on the locality.
For example
NSLog(#"%#",[formatter stringFromDate:date]);
NSLog(#"%#",date);
Tue 02 26 05:38:00 2013 //"EEE MM d hh:mm:ss yyyy"
Tue 02 26 17:46:22 2013 //"EEE MM d HH:mm:ss yyyy"
2013-02-26 12:08:00 +0000 //just logging using NSLog
Hope this helps you

Answer 2

You'll need to set timezone for a NSDateFormatter when you print resulting date like this:
[formatter setTimeZone:[NSTimeZone localTimeZone]];

Answer 3

You need to use as :
NSString *line=#"Mon Feb 18 09:25:53 2013: FAILED : Configuration-Update :";
NSDateFormatter *dateFormat=[NSDateFormatter new];
[dateFormat setDateFormat:#"EEE' 'MM' 'd' 'HH:mm:ss' 'yyyy"];
NSDate *logDate = [dateFormat dateFromString:[line substringToIndex:24]];
NSLog(#"logDate->%#",logDate);

Answer 4

If we take the log of the NSdate object that will show the date with respect to the timezone +0000 only. for that we need to format the date to our local timezone. like this..
[dateFormat setDateFormat:#"EEE MM d HH:mm:ss yyyy"];
logDate = [dateFormat dateFromString:#"Mon Feb 18 09:25:53 2013"];
[dateFormat setTimeZone:[NSTimeZone localTimeZone]];
NSLog(#"Date %#",[dateFormat stringFromDate:logDate]);

Answer 5

thanks to all.. it worked by changing the code this way ..
NSDateFormatter *dateFormat = [[[NSDateFormatter alloc] init]autorelease];
[dateFormat setDateFormat:#"EEE MM d HH:mm:ss yyyy"];
[dateFormat setTimeZone:[NSTimeZone timeZoneWithAbbreviation:#"UTC"]];
return [dateFormat dateFromString:dateString];