NSDate time converting from 12hr to 24 hr format

Question

hi i have problem while converting Date Formats... the date time is in the Format 12 hour Format like 12/9/2010 4:00:00 PM (Month/date/year Hour:Min:sec P

Answer 1

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"HH:mm";
NSDate *date = [dateFormatter dateFromString:@"15:15"];

dateFormatter.dateFormat = @"hh:mm a";
NSString *pmamDateString = [dateFormatter stringFromDate:date];