diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/CounterActivity.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/CounterActivity.kt
index 0a94f001..d7428a50 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/CounterActivity.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/home/CounterActivity.kt
@@ -6,11 +6,16 @@ package pl.szczodrzynski.edziennik.ui.modules.home
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
+import com.mikepenz.iconics.IconicsDrawable
+import com.mikepenz.iconics.typeface.library.szkolny.font.SzkolnyFont
+import com.mikepenz.iconics.utils.colorInt
+import com.mikepenz.iconics.utils.sizeDp
 import kotlinx.coroutines.*
 import pl.szczodrzynski.edziennik.*
 import pl.szczodrzynski.edziennik.data.db.entity.Lesson
 import pl.szczodrzynski.edziennik.data.db.full.LessonFull
 import pl.szczodrzynski.edziennik.databinding.ActivityCounterBinding
+import pl.szczodrzynski.edziennik.ui.dialogs.bell.BellSyncTimeChooseDialog
 import pl.szczodrzynski.edziennik.utils.models.Date
 import pl.szczodrzynski.edziennik.utils.models.Time
 import kotlin.coroutines.CoroutineContext
@@ -32,7 +37,7 @@ class CounterActivity : AppCompatActivity(), CoroutineScope {
     private val syncedNow: Time
         get() = Time.fromMillis(Time.getNow().inMillis - bellSyncDiffMillis)
 
-    private val countInSeconts: Boolean
+    private val countInSeconds: Boolean
         get() = app.config.timetable.countInSeconds
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -54,6 +59,13 @@ class CounterActivity : AppCompatActivity(), CoroutineScope {
             }
         }
 
+        b.bellSync.setImageDrawable(IconicsDrawable(this@CounterActivity, SzkolnyFont.Icon.szf_alarm_bell_outline)
+                .colorInt(0xff404040.toInt())
+                .sizeDp(36))
+        b.bellSync.onClick {
+            BellSyncTimeChooseDialog(activity = this@CounterActivity)
+        }
+
         app.config.timetable.bellSyncDiff?.let {
             bellSyncDiffMillis = (it.hour * 60 * 60 * 1000 + it.minute * 60 * 1000 + it.second * 1000).toLong()
             bellSyncDiffMillis *= app.config.timetable.bellSyncMultiplier.toLong()
@@ -85,13 +97,13 @@ class CounterActivity : AppCompatActivity(), CoroutineScope {
                     b.lessonName.text = actual.displaySubjectName
 
                     val left = actual.displayEndTime!! - now
-                    b.timeLeft.text = timeLeft(left.toInt(), "\n", countInSeconts)
+                    b.timeLeft.text = timeLeft(left.toInt(), "\n", countInSeconds)
                 }
                 next != null -> {
                     b.lessonName.text = next.displaySubjectName
 
                     val till = next.displayStartTime!! - now
-                    b.timeLeft.text = timeTill(till.toInt(), "\n", countInSeconts)
+                    b.timeLeft.text = timeTill(till.toInt(), "\n", countInSeconds)
                 }
                 else -> {
                     b.lessonName.text = app.getString(R.string.lessons_finished)
diff --git a/app/src/main/res/layout/activity_counter.xml b/app/src/main/res/layout/activity_counter.xml
index 7a633481..f96d0ce2 100644
--- a/app/src/main/res/layout/activity_counter.xml
+++ b/app/src/main/res/layout/activity_counter.xml
@@ -8,6 +8,30 @@
         android:gravity="center"
         android:orientation="vertical">
 
+        <LinearLayout
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="end"
+            android:layout_marginEnd="8dp"
+            android:layout_marginRight="8dp"
+            android:gravity="center"
+            android:orientation="vertical">
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/counter_activity_sync"
+                android:textSize="12sp"
+                android:textColor="#ff606060" />
+            <ImageView
+                android:id="@+id/bellSync"
+                android:layout_width="56dp"
+                android:layout_height="56dp"
+                android:background="?selectableItemBackgroundBorderless"
+                android:padding="10dp"
+                tools:tint="#ff404040"
+                tools:src="@sample/settings" />
+        </LinearLayout>
+
         <TextView
             android:id="@+id/lessonName"
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8586936d..20ef085d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1157,4 +1157,5 @@
     <string name="event_manual_share">Udostępniam wydarzenie...</string>
     <string name="event_manual_unshare_remove">Usuwam udostępnione wydarzenie...</string>
     <string name="event_manual_remove">Usuwam wydarzenie...</string>
+    <string name="counter_activity_sync">Synchronizuj</string>
 </resources>