יחידה:תאריך עברי: הבדלים בין גרסאות בדף

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@@ שורה 47: / שורה 47: @@
 	end
 	return ans
+end
+function allmonths(hyear)
+	return math.floor((hyear - 9) * 235 / 19) + 87
+end
+function molad(months)
+	local A
+	A.allparts = months * 765433 + 170640
+	A.days = math.floor(A.allparts / 25920)
+	A.day = A.days % 7
+	A.hour = math.floor(A.allparts / 1080 % 24)
+	A.part = A.allparts % 1080
+	A.parts = A.allparts % 25920
+	return A
+end
+function metonic(hyear)
+	return (x * 12 + 5) % 19
+end
+function dehiyot(hyear)
+	local heshbon = molad(allmonths(hyear))
+	local roshana = heshbon.days
+	if (heshbon.hour > 17 or (heshbon.day == 3 and heshbon.parts > 9923 and metonic(hyear) > 6) or (heshbon.day == 2 and heshbon.parts > 16788 and metonic(hyear) > 11))
+		then roshana = roshana + 1
+	end
+	if ((roshana * 3 + 1) % 7 > 3)
+		then roshana = roshana + 1
+	end
+	return roshana
+end
+function kviut(hyear)
+	local thisyear = dehiyot(hyear)
+	local yearlength = dehiyot(hyear + 1) - thisyear
+	local hasiman
 end