Ah, so you are a relativity denier! Here's a good page to get you started:No they don't , it is relative to size and not speed. Time in a void does not exist but exists when occupied by matter, what you have is more interference, relative to the observer in there own passing of time it relatively means nothing and is just gibberish.
http://uncyclopedia.wikia.com/wiki/Cult_of_Relativity