diff --git a/CalrendarView/src/main/java/com/example/calrendarview/BaseCustomViews.kt b/CalrendarView/src/main/java/com/example/calrendarview/BaseCustomViews.kt
index 6871235..e3fef20 100644
--- a/CalrendarView/src/main/java/com/example/calrendarview/BaseCustomViews.kt
+++ b/CalrendarView/src/main/java/com/example/calrendarview/BaseCustomViews.kt
@@ -1,6 +1,7 @@
 package com.example.calrendarview
 
 import android.content.Context
+import android.content.res.TypedArray
 import android.util.AttributeSet
 import android.util.Log
 import android.view.LayoutInflater
@@ -9,6 +10,7 @@ import android.view.ViewGroup
 import androidx.constraintlayout.widget.ConstraintLayout
 
 abstract class BaseCustomViews : ConstraintLayout {
+    protected val TAG = this:: class.simpleName
     constructor(context: Context) : super(context){appyAttrs(context,null)}
     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs){appyAttrs(context,attrs)}
     constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
@@ -27,12 +29,15 @@ abstract class BaseCustomViews : ConstraintLayout {
     var layouId : Int = -1
     open fun appyAttrs(context: Context?, attrs: AttributeSet?) {
         context?.let {
-            val typedArray = it.obtainStyledAttributes(attrs, R.styleable.BaseCustomViews)
-            layouId = typedArray.getResourceId(R.styleable.BaseCustomViews_item_layout,R.layout.item_day)
-            initLayout(it)
+             onTypedArray(it,it.obtainStyledAttributes(attrs, R.styleable.BaseCustomViews))
         }
     }
 
+    open fun onTypedArray(context: Context, typedArray : TypedArray) {
+        layouId = typedArray.getResourceId(R.styleable.BaseCustomViews_item_layout,R.layout.item_day)
+        initLayout(context)
+    }
+
     fun initLayout(context: Context?) {
         createdLayout(LayoutInflater.from(context).inflate(layouId, this, true))
     }
diff --git a/CalrendarView/src/main/java/com/example/calrendarview/DayView.kt b/CalrendarView/src/main/java/com/example/calrendarview/DayView.kt
index 313d91f..3a1aa54 100644
--- a/CalrendarView/src/main/java/com/example/calrendarview/DayView.kt
+++ b/CalrendarView/src/main/java/com/example/calrendarview/DayView.kt
@@ -1,24 +1,79 @@
 package com.example.calrendarview
 
 import android.content.Context
+import android.content.res.TypedArray
 import android.graphics.Canvas
 import android.graphics.Color
 import android.util.AttributeSet
+import android.util.Log
 import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.core.view.children
+import com.example.calrendarview.model.DayInfo
 
 class DayView : BaseCustomViews {
+
     constructor(context: Context) : super(context)
     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
-    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
-    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
+        context,
+        attrs,
+        defStyleAttr
+    )
 
+    constructor(
+        context: Context,
+        attrs: AttributeSet?,
+        defStyleAttr: Int,
+        defStyleRes: Int
+    ) : super(context, attrs, defStyleAttr, defStyleRes)
 
-    override fun appyAttrs(context: Context?, attrs: AttributeSet?) {
-        super.appyAttrs(context, attrs)
+    var dayInfo: DayInfo? = null
+        set(value) {
+            field = value
+            displayDayNumber()
+        }
+
+    var numOfDayView : TextView? = null
+    var numberOfday : Int = -1
+        set(value) {
+            Log.e(TAG, "numOfDayView 2 (${R.id.day_num}) Id >>>> ${value}")
+            field = value
+            numOfDayView = findViewById<TextView>(field)
+            Log.e(TAG, "numOfDayView >>>> 3 ${numOfDayView}")
+        }
+
+//    override fun appyAttrs(context: Context?, attrs: AttributeSet?) {
+//        context?.let {
+//            Log.e(TAG, "numOfDayView >>>> ${numOfDayView}")
+//            var typedArray = it.obtainStyledAttributes(attrs, R.styleable.BaseCustomViews)
+//            layouId = typedArray.getResourceId(R.styleable.BaseCustomViews_item_layout,R.layout.item_day).apply {
+//                Log.e(TAG, "layouId 0 (${R.layout.item_day} Id >>>> ${this}")
+//            }
+//            initLayout(context)
+//
+//        }
+//    }
+
+    override fun onTypedArray(context: Context, typedArray: TypedArray) {
+        super.onTypedArray(context, typedArray)
+        numberOfday = typedArray.getResourceId(R.styleable.BaseCustomViews_numOfDayId, R.id.day_num).apply {
+            Log.e(TAG, "numOfDayView 1 (${R.id.day_num}) Id >>>> ${this}")
+        }
+        displayDayNumber()
+    }
+
+    override fun createdLayout(view: View) {
+        super.createdLayout(view)
+        (view as? ViewGroup)?.let {
+            it.children.forEach { Log.e(TAG,"child is ${it}") }
+        }
     }
 
     fun displayDayNumber() {
-        //todo 오늘 의 날짜를 표시
+        numOfDayView?.text = dayInfo?.getDayOfNum()?.toString() ?: "TEST"
+        Log.e(TAG, "numOfDayView?.text >>>> 4 ${numOfDayView?.text}")
     }
 
     fun displayDayOfWeek() {
@@ -29,11 +84,14 @@ class DayView : BaseCustomViews {
         return false
     }
 
-
-    override fun draw(canvas: Canvas) {
-        canvas.drawColor(Color.CYAN)
-        super.draw(canvas)
-
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+        Log.e(TAG,"View >>> ${this}")
     }
 
+//    override fun draw(canvas: Canvas) {
+//        super.draw(canvas)
+//        canvas.drawColor(Color.CYAN)
+//    }
+
 }
diff --git a/CalrendarView/src/main/java/com/example/calrendarview/model/DayInfo.kt b/CalrendarView/src/main/java/com/example/calrendarview/model/DayInfo.kt
index e90d09f..4d0acbd 100644
--- a/CalrendarView/src/main/java/com/example/calrendarview/model/DayInfo.kt
+++ b/CalrendarView/src/main/java/com/example/calrendarview/model/DayInfo.kt
@@ -2,7 +2,7 @@ package com.example.calrendarview.model
 
 
 interface DayInfo {
-    fun getDayOfNum()
-    fun getDayOfWeek()
-    fun isToday()
+    fun getDayOfNum() : Int
+    fun getDayOfWeek() : Int
+    fun isToday() : Boolean
 }
\ No newline at end of file
diff --git a/CalrendarView/src/main/res/layout/item_day.xml b/CalrendarView/src/main/res/layout/item_day.xml
index 9ff8d05..6a61aaa 100644
--- a/CalrendarView/src/main/res/layout/item_day.xml
+++ b/CalrendarView/src/main/res/layout/item_day.xml
@@ -3,12 +3,15 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto">
+    <TextView
+        android:id="@+id/day_num"
+        android:gravity="right|top"
+        android:textSize="20dp"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
 
 
-    <ImageView
-        android:src="@android:drawable/btn_dialog"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        android:layout_width="200dp"
-        android:layout_height="200dp"/>
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/CalrendarView/src/main/res/values/attr.xml b/CalrendarView/src/main/res/values/attr.xml
index 55e73fc..34c2e06 100644
--- a/CalrendarView/src/main/res/values/attr.xml
+++ b/CalrendarView/src/main/res/values/attr.xml
@@ -2,14 +2,16 @@
 <resources>
 
     <attr name="item_layout" format="reference"/>
-
+    <attr name="numOfDayId" format="reference"/>
 
     <declare-styleable name="BaseCustomViews">
         <attr name="item_layout"/>
+        <attr name="numOfDayId"/>
     </declare-styleable>
 
     <declare-styleable name="DayView">
         <attr name="item_layout"/>
+        <attr name="numOfDayId"/>
     </declare-styleable>
 
     <declare-styleable name="MonthView">