Question

I’m trying to format JSON response date value:

NSDateFormatter *df = [[NSDateFormatter alloc] init];
    //Wed Dec 01 17:08:03 +0000 2010
    [df setDateFormat:@"eee, MMM dd HH:mm:ss ZZZZ yyyy"];
    NSDate *date = [df dateFromString:[twitter objectForKey:@"created_at"]];
    [df setDateFormat:@"dd/MM/yyyy"];
    NSString *dateStr = [df stringFromDate:date];

I follow instructions of this question:

Date/Time parsing in iOS: how to deal (or not deal) with timezones?

Actually, date value in JSON response is:

created_at":"Mon, 28 May 2012 11:20:29 +0000"

Date variable is nil when receiving value by [df dateFromString:[twitter objectForKey:@"created_at"]];

Many thanks

Answer 1

try this format if the month is abbreviated (Sept) :

[df setDateFormat:@"EEE, d MMM y HH:mm:ss Z"];;

and

[df setDateFormat:@"EEE, d MMMM y HH:mm:ss Z"];

if the month name is written out (September).

the full list of format specifiers.

I also had to change the locale

NSDateFormatter *df = [[NSDateFormatter alloc] init];
[df setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"] autorelease]];
[df setDateFormat:@"EEE, d MMM y HH:mm:ss Z"];
NSDate *date = [df dateFromString:@"Mon, 28 May 2012 11:20:29 +0000"];

[df setDateFormat:@"dd/MM/yyyy"];
NSString *dateStr = [df stringFromDate:date];

NSLog(@"%@",dateStr);

output

28/05/2012