If your wondering how to find out the date upon which you signed up to this game, simply click your name, this will take you to your profile.
To the left of your game rank, will be a date - that's the date which you registered your account and started playing.

Sorry, i may be misunderstood, but sometime's you can be used in a question. For instance "How do you tie a tie?", the person that's asking wants to know how to tie a tie themselves.
I may have misunderstood gin's question. sorry.