Get Historic Time from NSDate eg 5s ago 2m ago 3h ago

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This can be used in various chat applications, rss feeds, and social apps where you need to have latest feeds with timestamps:

Objective-C

- (NSString *)getHistoricTimeText:(NSDate *)since
{
    NSString *str;
    NSTimeInterval interval = [[NSDate date] timeIntervalSinceDate:since];
    if(interval < 60)
        str = [NSString stringWithFormat:@"%is ago",(int)interval];
    else if(interval < 3600)
    {
        int minutes = interval/60;
        str = [NSString stringWithFormat:@"%im ago",minutes];
    }
    else if(interval < 86400)
    {
        int hours =  interval/3600;
        
        str = [NSString stringWithFormat:@"%ih ago",hours];
    }
    else
    {
        NSDateFormatter *dateFormater=[[NSDateFormatter alloc]init];
        [dateFormater setLocale:[NSLocale currentLocale]];
        NSString *dateFormat = [NSDateFormatter dateFormatFromTemplate:@"MMM d, YYYY" options:0 locale:[NSLocale currentLocale]];
        [dateFormater setDateFormat:dateFormat];
        str = [dateFormater stringFromDate:since];
        
    }
    return str;
}

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