diff --git a/gradle.properties b/gradle.properties
index 06ce1887d..3856eacad 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-VERSION_NAME=2.1.0
+VERSION_NAME=2.1.1
 GROUP=com.github.quivr
 
 POM_DESCRIPTION=An android library to show day view, week view, 3 day view etc. in your app.
diff --git a/library/src/main/java/com/alamkanak/weekview/WeekView.java b/library/src/main/java/com/alamkanak/weekview/WeekView.java
index 9d4ee6079..cc1871217 100755
--- a/library/src/main/java/com/alamkanak/weekview/WeekView.java
+++ b/library/src/main/java/com/alamkanak/weekview/WeekView.java
@@ -2070,23 +2070,66 @@ public void setAutoLimitTime(boolean isAuto){
         invalidate();
     }
 
+    private void recalculateHourHeight(){
+        int height = (int) ((getHeight() - (mHeaderHeight + mHeaderRowPadding * 2 + mTimeTextHeight/2 + mHeaderMarginBottom)) / (this.mMaxTime - this.mMinTime));
+        if(height > mHourHeight){
+            if(height > mMaxHourHeight)
+                mMaxHourHeight = height;
+            mNewHourHeight = height;
+        }
+    }
+
     /**
-     * set fix visible time.
+     * Set visible time span.
      * @param startHour limit time display on top (between 0~24)
-     * @param endHour limit time display at bottom (between 0~24 and > startHour)
+     * @param endHour limit time display at bottom (between 0~24 and larger than startHour)
      * */
     public void setLimitTime(int startHour, int endHour){
-        if(endHour <= startHour || startHour < 0 || endHour > 24){
-            throw new IllegalArgumentException("endHour must larger startHour");
+        if(endHour <= startHour){
+            throw new IllegalArgumentException("endHour must larger startHour.");
+        }
+        else if(startHour < 0){
+            throw new IllegalArgumentException("startHour must be at least 0.");
+        }
+        else if(endHour > 24){
+            throw new IllegalArgumentException("endHour can't be higher than 24.");
         }
         this.mMinTime = startHour;
         this.mMaxTime = endHour;
-        int height = (int) ((getHeight() - (mHeaderHeight + mHeaderRowPadding * 2 + mTimeTextHeight/2 + mHeaderMarginBottom)) / (this.mMaxTime - this.mMinTime));
-        if(height > mHourHeight){
-            if(height > mMaxHourHeight)
-                mMaxHourHeight = height;
-            mNewHourHeight = height;
+        recalculateHourHeight();
+        invalidate();
+    }
+
+    /**
+     * Set minimal shown time
+     *
+     * @param startHour limit time display on top (between 0~24) and smaller than endHour
+     * */
+    public void setMinTime(int startHour){
+        if(mMaxTime <= startHour){
+            throw new IllegalArgumentException("startHour must smaller than endHour");
+        }
+        else if(startHour < 0){
+            throw new IllegalArgumentException("startHour must be at least 0.");
         }
+        this.mMinTime = startHour;
+        recalculateHourHeight();
+    }
+
+    /**
+     * Set highest shown time
+     *
+     * @param endHour limit time display at bottom (between 0~24 and larger than startHour)
+     * */
+    public void setMaxTime(int endHour){
+        if(endHour <= mMinTime){
+            throw new IllegalArgumentException("endHour must larger startHour.");
+        }
+        else if(endHour > 24){
+            throw new IllegalArgumentException("endHour can't be higher than 24.");
+        }
+        this.mMaxTime = endHour;
+        recalculateHourHeight();
         invalidate();
     }
 
@@ -2274,6 +2317,66 @@ public void setScrollDuration(int scrollDuration) {
         mScrollDuration = scrollDuration;
     }
 
+    public int getMaxHourHeight() {
+        return mMaxHourHeight;
+    }
+
+    public void setMaxHourHeight(int maxHourHeight) {
+        mMaxHourHeight = maxHourHeight;
+    }
+
+    public int getMinHourHeight() {
+        return mMinHourHeight;
+    }
+
+    public void setMinHourHeight(int minHourHeight) {
+        this.mMinHourHeight = minHourHeight;
+    }
+
+    public int getPastBackgroundColor() {
+        return mPastBackgroundColor;
+    }
+
+    public void setPastBackgroundColor(int pastBackgroundColor) {
+        this.mPastBackgroundColor = pastBackgroundColor;
+        mPastBackgroundPaint.setColor(mPastBackgroundColor);
+    }
+
+    public int getFutureBackgroundColor() {
+        return mFutureBackgroundColor;
+    }
+
+    public void setFutureBackgroundColor(int futureBackgroundColor) {
+        this.mFutureBackgroundColor = futureBackgroundColor;
+        mFutureBackgroundPaint.setColor(mFutureBackgroundColor);
+    }
+
+    public int getPastWeekendBackgroundColor() {
+        return mPastWeekendBackgroundColor;
+    }
+
+    public void setPastWeekendBackgroundColor(int pastWeekendBackgroundColor) {
+        this.mPastWeekendBackgroundColor = pastWeekendBackgroundColor;
+        this.mPastWeekendBackgroundPaint.setColor(mPastWeekendBackgroundColor);
+    }
+
+    public int getFutureWeekendBackgroundColor() {
+        return mFutureWeekendBackgroundColor;
+    }
+
+    public void setFutureWeekendBackgroundColor(int futureWeekendBackgroundColor) {
+        this.mFutureWeekendBackgroundColor = futureWeekendBackgroundColor;
+        this.mFutureWeekendBackgroundPaint.setColor(mFutureWeekendBackgroundColor);
+    }
+
+    public Drawable getNewEventIconDrawable() {
+        return mNewEventIconDrawable;
+    }
+
+    public void setNewEventIconDrawable(Drawable newEventIconDrawable) {
+        this.mNewEventIconDrawable = newEventIconDrawable;
+    }
+
     /////////////////////////////////////////////////////////////////
     //
     //      Functions related to scrolling.
diff --git a/sample/src/main/java/com/alamkanak/weekview/sample/BaseActivity.java b/sample/src/main/java/com/alamkanak/weekview/sample/BaseActivity.java
index a037d03db..6ffb5523a 100644
--- a/sample/src/main/java/com/alamkanak/weekview/sample/BaseActivity.java
+++ b/sample/src/main/java/com/alamkanak/weekview/sample/BaseActivity.java
@@ -1,5 +1,6 @@
 package com.alamkanak.weekview.sample;
 
+import android.graphics.Color;
 import android.graphics.RectF;
 import android.graphics.Typeface;
 import android.os.Bundle;
@@ -79,12 +80,25 @@ protected void onCreate(Bundle savedInstanceState) {
         //mWeekView.setAutoLimitTime(true);
         //mWeekView.setLimitTime(4, 16);
 
+        //mWeekView.setMinTime(10);
+        //mWeekView.setMaxTime(20);
 
         // Set up a date time interpreter to interpret how the date and time will be formatted in
         // the week view. This is optional.
         setupDateTimeInterpreter(false);
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        /*mWeekView.setShowDistinctPastFutureColor(true);
+        mWeekView.setShowDistinctWeekendColor(true);
+        mWeekView.setFutureBackgroundColor(Color.rgb(24,85,96));
+        mWeekView.setFutureWeekendBackgroundColor(Color.rgb(255,0,0));
+        mWeekView.setPastBackgroundColor(Color.rgb(85,189,200));
+        mWeekView.setPastWeekendBackgroundColor(Color.argb(50, 0,255,0));
+        */
+    }
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {