x ingt first date last period ahahah

assalammualaikum hi positive ke ni.. . selamani period x pnh x catit kt kalender kli ni plak x ingt nk catit. sy perasan period x mari2 lg bln 1 ni huhuhu.tgerak hti bt test tup2 2line ni. mcmanA ye nk ckp dkt misi nanti xingt date tu huhuhu tq yg sudi komen