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  • Change day in date through coding.

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    The following code changes the day from the given "date" for example: if you want to add or subtract 5 days from the date put a value 5 or -5 respectively for "timeSliceDay".

    -(NSString *)getTimeSliceDate:(NSString *)date format:(NSString *)format returnFormat:(NSString *)returnFormat timeSliceDay:(int)timeSliceDay{
        NSDate *dated = [self dateFromString:date format:format];
    
        dated = [dated dateByAddingTimeInterval:timeSliceDay*24*60*60];
        return [self stringFromDate:dated format:returnFormat];
    }
    
    -(NSDate*)dateFromString:(NSString *)dateString format:(NSString *)format {
        NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
        [formatter setDateFormat:format];
        return [formatter dateFromString:dateString];
    }
    -(NSString*)stringFromDate:(NSDate *)date format:(NSString *)format {
        NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
        [formatter setDateFormat:format];
        return [formatter stringFromDate:date];
    }
    

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