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Asked: 2026-05-12T07:13:58+00:00

The date you get back from twitter is in this format Fri Aug 07

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The date you get back from twitter is in this format Fri Aug 07 12:40:04 +0000 2009. I am able to assign the value to a NSDate without issue. However, when I attempt to use NSDateFormatter, I get a nil returned to me. What am I missing?

    NSDate *createdAt = [messageData objectForKey:@"created_at"];
    NSDateFormatter *format = [[NSDateFormatter alloc] init];
    [format setDateFormat:@"M/d/yy HH:mm"];

    NSString *dateString = [format stringFromDate:createdAt];


    label.text = dateString;
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1 Answer

  1. Editorial Team

    If the object associated with the @”created_at” key is a valid NSDate object, this code should work.

    However, I’m guessing that it is actually an NSString. If so, it will produce the behavior you’re describing.

    If I’m right, the code snippet above is assigning an NSString object to an NSDate reference. NSDictionary returns untyped ‘id’ objects, so the compiler won’t give you a type mismatch warning.

    You’ll have to use NSDateFormatter to parse the string into an NSDate (see dateFromString:).

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