BT RH 21a(4) :הידנא יומא רבה במערבא‏ : today is the Day of Atonement in Eretz Israel
See the entire entry for hāydānā adv. now; today

BT RH 21a(4) :במרחשון‏ :
See the entire entry for marḥešwān n.m. Marcheshwan (October/November)