I am female earth snake and my bf is earth dragon. Are we compatible for each other?

Well, your zodiac signs suggest that you both need to adjust yourself frequently to get used to each other. Otherwise, you can not maintain a harmonious relationship.

If you plan to get married, I think you may consider your marriage after Feb of 2016. For picking up an auspicious date, you should have a draft plan. You know, there are many auspicious dates every month. It's unnecessary to list the date of each month.