One of the most important calendar adjustments is known by the mnemonic: “Lo ADU Rosh” (לא אד״ו ראש) literally: Rosh Hashanah cannot fall on days 1, 4, or 6. Meaning: the first day of Rosh Hashanah cannot fall on a Sunday (א), Wednesday (ד), or… | Read More in The Blogs   | Read More Israel Insider | NOWlej