diff --git a/feature/mindrecord/presentation/build.gradle.kts b/feature/mindrecord/presentation/build.gradle.kts
index f981562dd3..508ed9756c 100644
--- a/feature/mindrecord/presentation/build.gradle.kts
+++ b/feature/mindrecord/presentation/build.gradle.kts
@@ -25,6 +25,7 @@ dependencies {
 
     // 컴파일된 리소스로 문구를 검증한다 — aapt2 의 앞뒤 공백 제거는 소스 XML 만 봐서는 잡히지 않는다 (#732).
     // 열린 주차 메뉴의 스크롤·최하단 선택도 JVM 에서 그대로 재현한다 (#729).
+    // 매퍼가 android.util.Log 를 타 JVM 단위 테스트로는 돌지 않는다 (#751).
     testImplementation(libs.robolectric)
     testImplementation(libs.androidx.compose.ui.test.junit4)
     debugImplementation(libs.androidx.compose.ui.test.manifest)
diff --git a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/mapper/MindRecordUiMapper.kt b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/mapper/MindRecordUiMapper.kt
index 276607d739..8d77a3812c 100644
--- a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/mapper/MindRecordUiMapper.kt
+++ b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/mapper/MindRecordUiMapper.kt
@@ -1,5 +1,6 @@
 package com.afternote.feature.mindrecord.presentation.mapper
 
+import android.util.Log
 import com.afternote.feature.mindrecord.domain.model.Diary
 import com.afternote.feature.mindrecord.domain.model.TodayMood
 import com.afternote.feature.mindrecord.presentation.model.DailyDiary
@@ -19,14 +20,27 @@ private val DateFormatters: List<DateTimeFormatter> =
         DateTimeFormatter.ISO_DATE_TIME,
     )
 
-fun DailyQuestionDomain.toUi(): DailyQuestion =
-    DailyQuestion(
+/**
+ * 날짜를 못 정하면 `null` 을 돌린다 — 호출부가 그 항목을 목록에서 뺀다.
+ *
+ * [Diary.toUi] 와 같은 규칙이다. 오늘 날짜로 메우면 **틀린 날짜가 정상처럼 표시되고**
+ * 실패 신호가 어디에도 남지 않아, "날짜가 이상하다" 는 제보를 받아도 재현 지점을 찾을 수
+ * 없다 (#751).
+ */
+fun DailyQuestionDomain.toUi(): DailyQuestion? {
+    val resolvedDate =
+        parseLocalDateOrNull(createdAt) ?: run {
+            Log.w(TAG, "데일리질문 날짜를 해석하지 못해 목록에서 제외한다: id=$dailyQuestionId")
+            return null
+        }
+    return DailyQuestion(
         id = dailyQuestionId,
         title = title,
-        date = parseLocalDate(createdAt),
+        date = resolvedDate,
         content = content,
         imageUrl = imageUrl,
     )
+}
 
 /**
  * 날짜를 못 정하면 `null` 을 돌린다 — 호출부가 그 항목을 목록에서 뺀다.
@@ -57,8 +71,6 @@ fun TodayMood.toEmoji(): String =
         TodayMood.SAD -> "😢"
     }
 
-private fun parseLocalDate(raw: String): LocalDate = parseLocalDateOrNull(raw) ?: LocalDate.now()
-
 private fun parseLocalDateOrNull(raw: String?): LocalDate? {
     // "2026.05.22 금" 처럼 뒤에 요일이 붙어오는 케이스 대응 — 첫 공백 앞부분만 파싱.
     val datePart = raw?.substringBefore(' ')?.trim().orEmpty()
@@ -68,3 +80,5 @@ private fun parseLocalDateOrNull(raw: String?): LocalDate? {
     }
     return null
 }
+
+private const val TAG = "MindRecordUiMapper"
diff --git a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DailyQuestionListViewModel.kt b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DailyQuestionListViewModel.kt
index 2b20b8a804..76e7f28171 100644
--- a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DailyQuestionListViewModel.kt
+++ b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DailyQuestionListViewModel.kt
@@ -138,7 +138,8 @@ class DailyQuestionListViewModel
                                     isAnswered = it.isAnswered,
                                 )
                             },
-                        answers = phase.answers.map { it.toUi() },
+                        // 날짜를 못 정한 항목은 toUi() 가 null 을 돌린다 — 정렬 키가 없어 카드로 만들지 않는다 (#751).
+                        answers = phase.answers.mapNotNull { it.toUi() },
                     )
                 }
 
diff --git a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DraftListViewModel.kt b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DraftListViewModel.kt
index 927a98ef2f..1bde87a91d 100644
--- a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DraftListViewModel.kt
+++ b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/DraftListViewModel.kt
@@ -134,8 +134,9 @@ class DraftListViewModel
                             )
                         }
                     val dailyQuestionItems =
-                        drafts.dailyQuestions.map { question ->
-                            val ui = question.toUi()
+                        // 날짜를 못 정한 항목은 toUi() 가 null 을 돌린다 — 정렬 키가 없어 뺀다 (#751).
+                        drafts.dailyQuestions.mapNotNull { question ->
+                            val ui = question.toUi() ?: return@mapNotNull null
                             DraftItem(
                                 id = ui.id,
                                 category = DraftCategory.DailyQuestion,
diff --git a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/MemorySpaceViewModel.kt b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/MemorySpaceViewModel.kt
index a2745a2550..5f1a2c67d4 100644
--- a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/MemorySpaceViewModel.kt
+++ b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/MemorySpaceViewModel.kt
@@ -92,7 +92,7 @@ class MemorySpaceViewModel
                 val questions = questionResult.getOrNull().orEmpty()
 
                 val memories =
-                    (diaries.mapNotNull { it.toDatedMemory() } + questions.map { it.toDatedMemory() })
+                    (diaries.mapNotNull { it.toDatedMemory() } + questions.mapNotNull { it.toDatedMemory() })
                         .sortedByDescending { it.date }
                         .take(MEMORY_CARD_LIMIT)
                         .map { it.item }
@@ -135,8 +135,9 @@ class MemorySpaceViewModel
             )
         }
 
-        private fun DailyQuestion.toDatedMemory(): DatedMemory {
-            val ui = toUi()
+        /** 날짜를 못 정한 데일리질문도 같다 — 정렬 키가 없어 카드로 만들지 않는다 (#751). */
+        private fun DailyQuestion.toDatedMemory(): DatedMemory? {
+            val ui = toUi() ?: return null
             return DatedMemory(
                 date = ui.date,
                 item =
diff --git a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/WeeklyReportViewModel.kt b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/WeeklyReportViewModel.kt
index d1b19e4e70..3de7bc5a33 100644
--- a/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/WeeklyReportViewModel.kt
+++ b/feature/mindrecord/presentation/src/main/kotlin/com/afternote/feature/mindrecord/presentation/viewmodel/WeeklyReportViewModel.kt
@@ -1,5 +1,6 @@
 package com.afternote.feature.mindrecord.presentation.viewmodel
 
+import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.afternote.core.common.result.runCatchingCancellable
@@ -218,7 +219,7 @@ class WeeklyReportViewModel
                 weekDays = mapWeekDays(monday, report.week),
                 emotionKeywords = mapEmotionKeywords(report.emotions),
                 summaryText = report.summaryText,
-                dailyQuestions = report.dailyQuestions.map { it.toUi() },
+                dailyQuestions = report.dailyQuestions.mapNotNull { it.toUi() },
             )
         }
 
@@ -235,6 +236,8 @@ class WeeklyReportViewModel
 
             // 카드 측에서 키워드 개수(0~4)에 따라 슬롯(size·offset·color)을 결정하므로,
             // 여기선 percentage 내림차순으로 정렬해 최대 4건만 잘라 키워드·카운트만 노출한다.
+            private const val TAG = "WeeklyReportViewModel"
+
             private const val MAX_EMOTION_KEYWORDS = 4
 
             private fun mapEmotionKeywords(emotions: List<WeeklyReportEmotion>): List<EmotionKeyword> =
@@ -243,12 +246,24 @@ class WeeklyReportViewModel
                     .take(MAX_EMOTION_KEYWORDS)
                     .map { EmotionKeyword(keyword = it.keyword, count = it.percentage) }
 
-            private fun WeeklyReportDailyQuestion.toUi(): DailyQuestion =
-                DailyQuestion(
+            /**
+             * 날짜를 못 정하면 `null` 을 돌린다 — 호출부가 그 항목을 목록에서 뺀다.
+             *
+             * 오늘 날짜로 메우면 지난 주 답변이 오늘로 표시되고 실패 신호가 남지 않는다 (#751).
+             * 서버 명세에 `date` 형식이 정의돼 있지 않아 언제든 어긋날 수 있다.
+             */
+            private fun WeeklyReportDailyQuestion.toUi(): DailyQuestion? {
+                val resolvedDate =
+                    parseLocalDateOrNull(date) ?: run {
+                        Log.w(TAG, "주간리포트 데일리질문 날짜를 해석하지 못해 목록에서 제외한다: raw=$date")
+                        return null
+                    }
+                return DailyQuestion(
                     title = title,
-                    date = parseLocalDate(date),
+                    date = resolvedDate,
                     content = content,
                 )
+            }
 
             // 서버는 "yyyy.MM.dd 요일" 또는 ISO 포맷으로 내려옴 — 둘 다 허용.
             private val DATE_FORMATTERS: List<DateTimeFormatter> =
@@ -257,8 +272,6 @@ class WeeklyReportViewModel
                     DateTimeFormatter.ISO_DATE,
                 )
 
-            private fun parseLocalDate(raw: String): LocalDate = parseLocalDateOrNull(raw) ?: LocalDate.now()
-
             private fun parseLocalDateOrNull(raw: String): LocalDate? {
                 val datePart = raw.substringBefore(' ').trim()
                 for (formatter in DATE_FORMATTERS) {
diff --git a/feature/mindrecord/presentation/src/test/kotlin/com/afternote/feature/mindrecord/presentation/mapper/DailyQuestionDateFallbackTest.kt b/feature/mindrecord/presentation/src/test/kotlin/com/afternote/feature/mindrecord/presentation/mapper/DailyQuestionDateFallbackTest.kt
new file mode 100644
index 0000000000..e5f8f5d6b6
--- /dev/null
+++ b/feature/mindrecord/presentation/src/test/kotlin/com/afternote/feature/mindrecord/presentation/mapper/DailyQuestionDateFallbackTest.kt
@@ -0,0 +1,63 @@
+package com.afternote.feature.mindrecord.presentation.mapper
+
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Assert.assertNull
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import java.time.LocalDate
+import com.afternote.feature.mindrecord.domain.model.DailyQuestion as DailyQuestionDomain
+
+/**
+ * 날짜 파싱 실패가 **오늘 날짜로 둔갑하지 않는지** 고정한다 (#751).
+ *
+ * 종전에는 `parseLocalDateOrNull(raw) ?: LocalDate.now()` 라, 서버가 형식을 바꾸면 지난 주
+ * 답변이 오늘 날짜로 표시되고 실패 신호가 어디에도 남지 않았다. "날짜가 이상하다" 는 제보를
+ * 받아도 재현 지점을 찾을 수 없는 종류다.
+ *
+ * `Log.w` 를 타므로 Robolectric 으로 돌린다.
+ */
+@RunWith(RobolectricTestRunner::class)
+@Config(sdk = [35])
+class DailyQuestionDateFallbackTest {
+    @Test
+    fun `날짜를 해석할 수 없으면 오늘로 메우지 않고 항목을 버린다`() {
+        val ui = dailyQuestion(createdAt = "언젠가").toUi()
+
+        assertNull(ui)
+    }
+
+    @Test
+    fun `빈 날짜도 오늘로 메우지 않는다`() {
+        val ui = dailyQuestion(createdAt = "").toUi()
+
+        assertNull(ui)
+    }
+
+    @Test
+    fun `요일이 붙은 서버 형식은 그대로 해석한다`() {
+        val ui = dailyQuestion(createdAt = "2026.07.29 수").toUi()
+
+        assertNotNull(ui)
+        assertEquals(LocalDate.of(2026, 7, 29), ui!!.date)
+    }
+
+    @Test
+    fun `ISO 형식도 해석한다`() {
+        val ui = dailyQuestion(createdAt = "2026-07-29").toUi()
+
+        assertEquals(LocalDate.of(2026, 7, 29), ui!!.date)
+    }
+
+    private fun dailyQuestion(createdAt: String) =
+        DailyQuestionDomain(
+            dailyQuestionId = 1L,
+            title = "질문",
+            content = "답변",
+            createdAt = createdAt,
+            isDraft = false,
+            imageUrl = null,
+        )
+}