Wait for seven more days. Your activity will increase to 42, and you will become a Junior Member (Well, provided that you have at least 14 posts from May 1 to May 14). For more information, visit this thread:
https://bitcointalk.org/index.php?topic=178608.0Activity ticks are exactly 1st and 14th every month? Or it is like 1st-14th-28th-11th etc?
No. The next one is on the 13th then every two weeks after that.
https://bitcointalk.org/index.php?topic=582736.0April 29th , 2014 , 8:26:40 AM
May 13th , 2014 , 8:33:20 AM
May 27th , 2014 , 8:40:00 AM
June 10th , 2014 , 8:46:40 AM