category to remove fractional seconds from an NSDate

NSDate+dateByRemovingFractionalSeconds.h

#import <Foundation/Foundation.h>

@interface NSDate (dateByRemovingFractionalSeconds)

+ (NSDate *)dateWithoutFractionalSeconds;
- (NSDate *)dateByRemovingFractionalSeconds;

@end

NSDate+dateByRemovingFractionalSeconds.m

#import "NSDate+dateByRemovingFractionalSeconds.h"

@implementation NSDate (dateByRemovingFractionalSeconds)

+ (NSDate *)dateWithoutFractionalSeconds
{
    NSDate *now = [NSDate date];
    NSTimeInterval seconds = trunc([now timeIntervalSinceReferenceDate]);
    NSDate *date = [[self class] dateWithTimeIntervalSinceReferenceDate:seconds];
    return date;
}
- (NSDate *)dateByRemovingFractionalSeconds
{
    NSTimeInterval seconds = trunc([self timeIntervalSinceReferenceDate]);
    NSDate *date = [[self class] dateWithTimeIntervalSinceReferenceDate:seconds];
    return date;
}

@end