Getting Date/Time from .NET api

gistfile1.m

- (NSDate*) getDateFromJSON:(NSString *)dateString {
    // Expect date in this format "/Date(1268123281843)/"
    int startPos = [dateString rangeOfString:@"("].location+1;
    int endPos = [dateString rangeOfString:@")"].location;
    NSRange range = NSMakeRange(startPos,endPos-startPos);
    unsigned long long milliseconds = [[dateString substringWithRange:range] longLongValue];
    NSLog(@"%llu",milliseconds);
    NSTimeInterval interval = milliseconds/1000;
    return [NSDate dateWithTimeIntervalSince1970:interval];
}

- (NSString *)startAndEndTimeText {
    NSString *startTime = [self.truck objectForKey:@"StartTime"];
    NSString *endTime = [self.truck objectForKey:@"EndTime"];
    NSDate *startDate = [self getDateFromJSON:startTime];
    NSDate *endDate = [self getDateFromJSON:endTime];

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"h:mm a"];
    
    return [NSString stringWithFormat:@"%@ - %@", [dateFormatter stringFromDate:startDate], [dateFormatter stringFromDate:endDate]];
}

//It will look something like this:
// 9:00 AM - 3:00 PM

JSON

{
    "Latitude": 31.550837,
    "Longitude": -97.116265,
    "Description": "Drop dirties by 1pm in the laundry cart near front desk.",
    "Weekday": 3,
    "StartTime": "/Date(1329535556148)/",
    "EndTime": "/Date(1329535556148)/",
    "Dorms": [
        "South Russell"
    ],
    "Color": null,
    "IsLobby": true,
    "Icon": ""
}