CODEWITHSUNDEEP
iphoneobjective-cios
Snowman
Snowman

Reputation: 32071

String to NSDate then back to string

I have a date in NSString format with the following format:

2012-03-27 14:43:22 +0000 //this is a string

What I want is to somehow convert this to say: March 27

So I figured the way to do this was to convert this string to an NSDate, then format the new NSDate to my desired format, then back to string, but I'm getting null output:

NSString *date=[sectionInfo name];
NSLog(@"date:%@", date);
NSDateFormatter *k= [[NSDateFormatter alloc] init];
[k setDateFormat:@"yyyy-mm-DD hh:mm:ss a"];
NSDate *d=[k dateFromString:date];
NSLog(@"%@", d);

NSDateFormatter *df = [NSDateFormatter new];
[df setDateFormat:@"MMMM dd"];
NSString *dateString=[df stringFromDate:d];
NSLog(@"dateString:%@", dateString);

Output:

date:2012-03-28 14:43:22 +0000
(null)
dateString:(null)

What am I doing wrong?

Upvotes: 0

Views: 153

Answers (2)

Vadim Yelagin
Vadim Yelagin

Reputation: 3262

I guess your format string should be "yyyy-MM-dd HH:mm:ss Z"

Also, try using getObjectValue:forString:range:error: method instead of dateFromString: and take a look at the error returned.

Upvotes: 1

Barlow Tucker
Barlow Tucker

Reputation: 6519

You need to have capital HH in your format, also change the a to z, like this:

[k setDateFormat:@"yyyy-mm-DD HH:mm:ss z"];

Upvotes: 1

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