First you need to do is keep posting until your activity or post maximum of 14 activities, and wait every 14 days or two weeks in order you to rank up your status. but you need to wait almost one month i think, before you promoted to become a Jr. Member. And if you have 30 activities you are become a Jr. Member like my rank now..And i sugest you keep posting, and always check your post if related on topic or not and don't post boosting..
And cultivated every day is always active, do not think about when to ride because it will feel very long. 1 day post 2 or 4 times is enough, more than 4 is okay but not spam because it will be erased