diff --git a/presentation/src/main/java/com/signal/signal_android/designsystem/foundation/SignalColor.kt b/presentation/src/main/java/com/signal/signal_android/designsystem/foundation/SignalColor.kt
index b91c529e..127a1a07 100644
--- a/presentation/src/main/java/com/signal/signal_android/designsystem/foundation/SignalColor.kt
+++ b/presentation/src/main/java/com/signal/signal_android/designsystem/foundation/SignalColor.kt
@@ -52,4 +52,10 @@ object SignalColor {
 
     @Stable
     val Black = Color(0xFF000000)
+
+    @Stable
+    val Wine = Color(0xFFAF0000)
+
+    @Stable
+    val Yellow = Color(0xFFFFE040)
 }
diff --git a/presentation/src/main/java/com/signal/signal_android/feature/main/diary/Diary.kt b/presentation/src/main/java/com/signal/signal_android/feature/main/diary/Diary.kt
index c97007b6..72123d02 100644
--- a/presentation/src/main/java/com/signal/signal_android/feature/main/diary/Diary.kt
+++ b/presentation/src/main/java/com/signal/signal_android/feature/main/diary/Diary.kt
@@ -70,7 +70,7 @@ internal fun Diary(
     var dayState by remember { mutableStateOf(formatter.format(date).split("-").last()) }
 
     LaunchedEffect("$yearState-$monthState-$dayState") {
-        diaryViewModel.setDate("$yearState-$monthState-$dayState")
+        diaryViewModel.setDate("$yearState-$monthState-${dayState.padStart(2, '0')}")
         diaryViewModel.fetchDayDiary()
     }
 
diff --git a/presentation/src/main/java/com/signal/signal_android/feature/main/home/Home.kt b/presentation/src/main/java/com/signal/signal_android/feature/main/home/Home.kt
index 38d935d2..c150ec30 100644
--- a/presentation/src/main/java/com/signal/signal_android/feature/main/home/Home.kt
+++ b/presentation/src/main/java/com/signal/signal_android/feature/main/home/Home.kt
@@ -27,11 +27,13 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.draw.rotate
 import androidx.compose.ui.draw.shadow
 import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
 import coil.compose.AsyncImage
 import com.patrykandpatrick.vico.compose.axis.horizontal.rememberBottomAxis
 import com.patrykandpatrick.vico.compose.axis.vertical.rememberStartAxis
@@ -72,6 +74,12 @@ internal fun Home(
     val showDialog = { dialogState = true }
     val hideDialog = { dialogState = false }
 
+    if (dialogState) {
+        Dialog(onDismissRequest = { dialogState = false }) {
+            ChartInformationDialog()
+        }
+    }
+
     Column {
         Column(modifier = Modifier.padding(horizontal = 16.dp)) {
             Spacer(modifier = Modifier.height(30.dp))
@@ -160,6 +168,74 @@ internal fun Home(
     }
 }
 
+@Composable
+private fun ChartInformationDialog() {
+    Column(
+        modifier = Modifier
+            .background(
+                color = SignalColor.White,
+                shape = RoundedCornerShape(6.dp),
+            )
+            .padding(
+                horizontal = 55.dp,
+                vertical = 30.dp,
+            ),
+        horizontalAlignment = Alignment.CenterHorizontally,
+    ) {
+        BodyLarge2(
+            text = stringResource(id = R.string.home_information_title),
+            color = SignalColor.Black,
+        )
+        Body(
+            modifier = Modifier.padding(bottom = 30.dp),
+            text = stringResource(id = R.string.home_information_description),
+            color = SignalColor.Gray500,
+        )
+        ChartInformationText(
+            scoreName = stringResource(id = R.string.home_very_high),
+            scoreNameColor = SignalColor.Wine,
+            score = stringResource(id = R.string.home_very_high_score),
+        )
+        ChartInformationText(
+            scoreName = stringResource(id = R.string.home_high),
+            scoreNameColor = SignalColor.Error,
+            score = stringResource(id = R.string.home_high_score),
+        )
+        ChartInformationText(
+            scoreName = stringResource(id = R.string.home_normal),
+            scoreNameColor = SignalColor.Yellow,
+            score = stringResource(id = R.string.home_normal_score),
+        )
+        ChartInformationText(
+            scoreName = stringResource(id = R.string.home_low),
+            scoreNameColor = SignalColor.Primary100,
+            score = stringResource(id = R.string.home_low_score),
+        )
+    }
+}
+
+@Composable
+private fun ChartInformationText(
+    scoreName: String,
+    scoreNameColor: Color,
+    score: String,
+) {
+    Row(
+        modifier = Modifier.fillMaxWidth(0.8f),
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.SpaceBetween,
+    ) {
+        BodyStrong(
+            text = scoreName,
+            color = scoreNameColor,
+        )
+        Body(
+            text = score,
+            color = SignalColor.Black,
+        )
+    }
+}
+
 @Composable
 private fun OngoingActivity(
     title: String,
diff --git a/presentation/src/main/res/values/strings.xml b/presentation/src/main/res/values/strings.xml
index 8182cb1c..a726be7d 100644
--- a/presentation/src/main/res/values/strings.xml
+++ b/presentation/src/main/res/values/strings.xml
@@ -87,6 +87,18 @@
     <string name="home_diagnosis_history_null">데이터가 부족해요!</string>
 
     <string name="home_information_icon">우울감 수치 그래프 정보 아이콘</string>
+    <string name="home_information_title">우울증 수치 정보</string>
+    <string name="home_information_description">우울증 수치에 관한 정보를 나타냅니다.</string>
+    
+    <string name="home_very_high">매우 높음</string>
+    <string name="home_high">높음</string>
+    <string name="home_normal">보통</string>
+    <string name="home_low">낮음</string>
+
+    <string name="home_very_high_score">45 ~ 60</string>
+    <string name="home_high_score">30 ~ 45</string>
+    <string name="home_normal_score">15 ~ 30</string>
+    <string name="home_low_score">0 ~ 15</string>
 
     <!--my page-->
     <string name="my_page_profile_image">프로필 사진</string>