Rosh Hashanah 12: Vowing to Suffer
When do we start counting the date for vegetable ma'aser? And does that date work? [What's What: Terumot and Ma'aserot, an overview] Also, nedarim - taking oaths, to swear off something - and how they are counted against a yearly calendar. Namely, is that year counted according to Nisan or Tishrei? (There's no machloket, as it turns out).