diff --git a/src/components/admin/builder/templates/DateScreenConfig.tsx b/src/components/admin/builder/templates/DateScreenConfig.tsx
index b02a772..c733367 100644
--- a/src/components/admin/builder/templates/DateScreenConfig.tsx
+++ b/src/components/admin/builder/templates/DateScreenConfig.tsx
@@ -12,7 +12,10 @@ interface DateScreenConfigProps {
 export function DateScreenConfig({ screen, onUpdate }: DateScreenConfigProps) {
   const dateScreen = screen as DateScreenDefinition & { position: { x: number; y: number } };
 
-  const handleDateInputChange = <T extends keyof DateScreenDefinition["dateInput"]>(field: T, value: string | boolean) => {
+  const handleDateInputChange = <T extends keyof DateScreenDefinition["dateInput"]>(
+    field: T,
+    value: DateScreenDefinition["dateInput"][T]
+  ) => {
     onUpdate({
       dateInput: {
         ...dateScreen.dateInput,
@@ -21,6 +24,30 @@ export function DateScreenConfig({ screen, onUpdate }: DateScreenConfigProps) {
     });
   };
 
+  const handleZodiacSettingsChange = (
+    updates: Partial<NonNullable<DateScreenDefinition["dateInput"]["zodiac"]>>
+  ) => {
+    const currentZodiac = dateScreen.dateInput?.zodiac ?? {
+      enabled: false,
+      storageKey: "",
+    };
+
+    const nextZodiac = {
+      ...currentZodiac,
+      ...updates,
+    };
+
+    const shouldRemove =
+      (nextZodiac.enabled ?? false) === false && (nextZodiac.storageKey ?? "") === "";
+
+    onUpdate({
+      dateInput: {
+        ...dateScreen.dateInput,
+        zodiac: shouldRemove ? undefined : nextZodiac,
+      },
+    });
+  };
+
   const handleInfoMessageChange = (field: "text" | "icon", value: string) => {
     const baseInfo = dateScreen.infoMessage ?? { text: "", icon: "ℹ️" };
     const nextInfo = { ...baseInfo, [field]: value };
@@ -99,6 +126,37 @@ export function DateScreenConfig({ screen, onUpdate }: DateScreenConfigProps) {
           Показывать выбранную дату под полем
         </label>
 
+        <div className="rounded-xl border border-border/60 p-4">
+          <div className="flex items-center gap-2 text-sm font-medium text-foreground">
+            <input
+              type="checkbox"
+              checked={dateScreen.dateInput?.zodiac?.enabled === true}
+              onChange={(event) =>
+                handleZodiacSettingsChange({ enabled: event.target.checked })
+              }
+            />
+            Автоматически определять знак зодиака
+          </div>
+
+          <p className="mt-2 text-xs text-muted-foreground">
+            Если включено, система вычислит знак зодиака по выбранной дате и сохранит его по
+            указанному ключу. Значение можно использовать в правилах навигации и вариативности.
+          </p>
+
+          {dateScreen.dateInput?.zodiac?.enabled && (
+            <label className="mt-3 flex flex-col gap-1 text-xs text-muted-foreground">
+              Ключ для сохранения знака зодиака
+              <TextInput
+                placeholder="Например, userZodiac"
+                value={dateScreen.dateInput?.zodiac?.storageKey ?? ""}
+                onChange={(event) =>
+                  handleZodiacSettingsChange({ storageKey: event.target.value.trim() })
+                }
+              />
+            </label>
+          )}
+        </div>
+
         <div className="grid grid-cols-2 gap-3 text-xs">
           <label className="flex flex-col gap-1 text-muted-foreground">
             Подпись выбранной даты
diff --git a/src/components/funnel/FunnelRuntime.tsx b/src/components/funnel/FunnelRuntime.tsx
index 2a24358..6042dd7 100644
--- a/src/components/funnel/FunnelRuntime.tsx
+++ b/src/components/funnel/FunnelRuntime.tsx
@@ -11,7 +11,9 @@ import type {
   FunnelDefinition,
   FunnelAnswers,
   ListScreenDefinition,
+  DateScreenDefinition,
 } from "@/lib/funnel/types";
+import { getZodiacSign } from "@/lib/funnel/zodiac";
 
 // Функция для оценки длины пути пользователя на основе текущих ответов
 function estimatePathLength(funnel: FunnelDefinition, answers: FunnelAnswers): number {
@@ -152,6 +154,31 @@ export function FunnelRuntime({ funnel, initialScreenId }: FunnelRuntimeProps) {
       setAnswers(currentScreen.id, ids);
     }
 
+    if (currentScreen.template === "date") {
+      const dateScreen = currentScreen as DateScreenDefinition;
+      const zodiacSettings = dateScreen.dateInput?.zodiac;
+      const storageKey = zodiacSettings?.storageKey?.trim();
+
+      if (storageKey) {
+        if (zodiacSettings?.enabled) {
+          const [monthValue, dayValue] = ids;
+          const month = parseInt(monthValue ?? "", 10);
+          const day = parseInt(dayValue ?? "", 10);
+          const zodiac = Number.isNaN(month) || Number.isNaN(day)
+            ? null
+            : getZodiacSign(month, day);
+
+          if (zodiac) {
+            setAnswers(storageKey, [zodiac]);
+          } else {
+            setAnswers(storageKey, []);
+          }
+        } else {
+          setAnswers(storageKey, []);
+        }
+      }
+    }
+
     // Auto-advance for single selection without action button
     if (shouldAutoAdvance) {
       const nextScreenId = resolveNextScreenId(currentScreen, nextAnswers, funnel.screens);
diff --git a/src/lib/funnel/types.ts b/src/lib/funnel/types.ts
index 5809156..58c2106 100644
--- a/src/lib/funnel/types.ts
+++ b/src/lib/funnel/types.ts
@@ -116,6 +116,10 @@ export interface DateInputDefinition {
   selectedDateFormat?: string; // e.g., "MMMM d, yyyy" for "April 8, 1987"
   validationMessage?: string;
   selectedDateLabel?: string; // "Выбранная дата:" text
+  zodiac?: {
+    enabled?: boolean;
+    storageKey?: string;
+  };
 }
 
 export interface DateScreenDefinition {
diff --git a/src/lib/funnel/zodiac.ts b/src/lib/funnel/zodiac.ts
new file mode 100644
index 0000000..0fc8c98
--- /dev/null
+++ b/src/lib/funnel/zodiac.ts
@@ -0,0 +1,103 @@
+export type ZodiacSign =
+  | "capricorn"
+  | "aquarius"
+  | "pisces"
+  | "aries"
+  | "taurus"
+  | "gemini"
+  | "cancer"
+  | "leo"
+  | "virgo"
+  | "libra"
+  | "scorpio"
+  | "sagittarius";
+
+interface ZodiacBoundary {
+  sign: ZodiacSign;
+  month: number;
+  day: number;
+}
+
+const DAYS_BEFORE_MONTH = [
+  0, // January
+  31, // February
+  59, // March
+  90, // April
+  120, // May
+  151, // June
+  181, // July
+  212, // August
+  243, // September
+  273, // October
+  304, // November
+  334, // December
+];
+
+const ZODIAC_BOUNDARIES: ZodiacBoundary[] = [
+  { sign: "capricorn", month: 1, day: 1 },
+  { sign: "aquarius", month: 1, day: 20 },
+  { sign: "pisces", month: 2, day: 19 },
+  { sign: "aries", month: 3, day: 21 },
+  { sign: "taurus", month: 4, day: 20 },
+  { sign: "gemini", month: 5, day: 21 },
+  { sign: "cancer", month: 6, day: 21 },
+  { sign: "leo", month: 7, day: 23 },
+  { sign: "virgo", month: 8, day: 23 },
+  { sign: "libra", month: 9, day: 23 },
+  { sign: "scorpio", month: 10, day: 23 },
+  { sign: "sagittarius", month: 11, day: 22 },
+  { sign: "capricorn", month: 12, day: 22 },
+];
+
+function isValidMonth(month: number): boolean {
+  return Number.isInteger(month) && month >= 1 && month <= 12;
+}
+
+function getDaysInMonth(month: number): number {
+  return new Date(2024, month, 0).getDate();
+}
+
+function toDayOfYear(month: number, day: number): number | null {
+  if (!isValidMonth(month)) {
+    return null;
+  }
+
+  const maxDay = getDaysInMonth(month);
+  if (!Number.isInteger(day) || day < 1 || day > maxDay) {
+    return null;
+  }
+
+  return DAYS_BEFORE_MONTH[month - 1] + day;
+}
+
+function boundaryToDayOfYear(boundary: ZodiacBoundary): number {
+  const dayOfYear = toDayOfYear(boundary.month, boundary.day);
+  if (dayOfYear === null) {
+    throw new Error(`Invalid zodiac boundary: ${boundary.sign}`);
+  }
+  return dayOfYear;
+}
+
+const ZODIAC_BOUNDARIES_WITH_DAY = ZODIAC_BOUNDARIES.map((boundary) => ({
+  ...boundary,
+  dayOfYear: boundaryToDayOfYear(boundary),
+}));
+
+export function getZodiacSign(month: number, day: number): ZodiacSign | null {
+  const dayOfYear = toDayOfYear(month, day);
+  if (dayOfYear === null) {
+    return null;
+  }
+
+  let currentSign: ZodiacSign = "capricorn";
+
+  for (const boundary of ZODIAC_BOUNDARIES_WITH_DAY) {
+    if (dayOfYear >= boundary.dayOfYear) {
+      currentSign = boundary.sign;
+    } else {
+      break;
+    }
+  }
+
+  return currentSign;
+}