NSDate *localeDate = [NSDate date];
NSTimeInterval timeInterval = [localeDate timeIntervalSince1970] + 10; //10s
NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeInterval];
[theTimer setFireDate:date];
NSDate *localeDate = [NSDate date];
NSTimeInterval timeInterval = [localeDate timeIntervalSince1970] + 10; //10s
NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeInterval];
[theTimer setFireDate:date];