diff --git a/packages/survey-ui/src/components/elements/date.tsx b/packages/survey-ui/src/components/elements/date.tsx
index 4327feb3b8..faaa568a38 100644
--- a/packages/survey-ui/src/components/elements/date.tsx
+++ b/packages/survey-ui/src/components/elements/date.tsx
@@ -19,8 +19,8 @@ function parseValueToDate(value: string, format: DateStorageFormat): Date | unde
   if (!trimmed) return undefined;
   const parts = trimmed.split("-");
   if (parts.length !== 3) return undefined;
+  if (parts.some((p) => !/^\d+$/.test(p))) return undefined;
   const nums = parts.map((p) => Number.parseInt(p, 10));
-  if (nums.some(Number.isNaN)) return undefined;
   const useIso = ISO_FIRST_CHARS.test(trimmed);
   const effective = useIso ? DEFAULT_DATE_STORAGE_FORMAT : format;
   const order = DATE_STORAGE_FORMATS[effective].parseOrder;
diff --git a/packages/surveys/src/lib/date-format.ts b/packages/surveys/src/lib/date-format.ts
index 3dca196b1f..87585134f1 100644
--- a/packages/surveys/src/lib/date-format.ts
+++ b/packages/surveys/src/lib/date-format.ts
@@ -60,6 +60,11 @@ export function parseDateByFormat(
  * Try to parse a date string using each known storage format in order.
  * Use when the storage format is unknown (e.g. recall placeholders).
  *
+ * Ambiguity: Values like "03-05-2024" can be March 5th (M-d-y) or May 3rd (d-M-y).
+ * Formats are tried in DATE_STORAGE_FORMATS_LIST order (M-d-y, then d-M-y, then y-M-d);
+ * the first successful parse is returned. M-d-y is preferred when format metadata is
+ * unavailable so that common US-style input is accepted first.
+ *
  * @param value - Stored date string
  * @returns Parsed Date or null if no format matched
  */
diff --git a/packages/surveys/src/lib/logic.ts b/packages/surveys/src/lib/logic.ts
index ee6eadb64a..e0e5e2e665 100644
--- a/packages/surveys/src/lib/logic.ts
+++ b/packages/surveys/src/lib/logic.ts
@@ -42,7 +42,13 @@ function compareDateOperands(
     });
     return false;
   }
-  if (rightDate === null) return false;
+  if (rightDate === null) {
+    console.warn(`[logic] ${operator}: could not parse right date`, {
+      elementId: rightField.id,
+      value: rightValue,
+    });
+    return false;
+  }
   return compare(leftDate, rightDate);
 }
 
diff --git a/packages/types/surveys/date-formats.ts b/packages/types/surveys/date-formats.ts
index 2b1576a9c7..5ace311da2 100644
--- a/packages/types/surveys/date-formats.ts
+++ b/packages/types/surveys/date-formats.ts
@@ -53,5 +53,9 @@ export const DATE_STORAGE_FORMATS: Record<TSurveyDateStorageFormat, DateFormatDe
   },
 };
 
-/** All format ids as an array (for iteration, e.g. try-parse or dropdowns). */
+/**
+ * All format ids as an array (for iteration, e.g. dropdowns or try-parse).
+ * When used for try-parse without format metadata, the first matching format wins;
+ * order is M-d-y, d-M-y, y-M-d (see parseDateWithFormats in @formbricks/surveys).
+ */
 export const DATE_STORAGE_FORMATS_LIST: TSurveyDateStorageFormat[] = [...DATE_STORAGE_FORMAT_IDS];