NO. RANK USERNAME NUMBER OF POSTS DATE BTC ADDRESS
22. Full Member trynmpo 305 2014/8/18 1FKynGEboT5oLCALEamHy4Z15QPgWkfwtg
According to OP, sunxiaoxiao honoured his post to join on 18th Aug.
By my count, 30 days from that is 17th Sep. But I'm sure you can count too, and what matters is sunxiaoxiao's count, not yours or mine.