Question

I am struggling a bit to convert the UTC time to the date format what i want.

2012-03-10T09:30:00Z

needs to be converted to the below format

3:00:00pm April 19, 2012

Could you someone please help me to resolve this?

I tried like below,

    NSString *formatted;
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init] ;
    [formatter setTimeStyle:NSDateFormatterShortStyle];
    [formatter setDateFormat:@"HH:mm:ss EEEE, MMM d"];
// Here datetime= 2012-03-10T09:30:00Z
    NSDate *date = [NSDate dateWithTimeIntervalSince1970: [datetime intValue]]; 
    NSString *dateString = [formatter stringFromDate:date];
    NSLog(@"dateString: %@", dateString);

But, its printing wrong date like “06:03:32 Thursday, Jan 1”. Please correct me.

UPDATED: I am having another problem, its not giving me the correct time, but its giving the correct date though. My Code is below.

NSString *formatted;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init] ;
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"HH:mm:ss EEEE, MMM d"];


NSDateFormatter *df = [[NSDateFormatter alloc] init];
[df setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
[df setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
NSDate *date = [df dateFromString:datetime];
NSString *dateString = [formatter stringFromDate:date];
NSLog(@"dateString: %@", dateString);

Thank you!

Answer 1

To convert an ISO date string to NSDate:

NSDateFormatter *df = [[NSDateFormatter alloc] init];
[df setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
[df setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss'Z'"];
NSDate *date = [df dateFromString:date_str];

You can then convert it to your local time zone:

[df setTimeZone:[NSTimeZone localTimeZone]];
[df setDateFormat:@"HH:mm:ss EEEE, MMM d"];

In your code, your [datetime intValue] is probably incorrect.