diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/timetable/v2/TimetableFragment.kt b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/timetable/v2/TimetableFragment.kt
index 9d8ef2c6..116dbc90 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/timetable/v2/TimetableFragment.kt
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/ui/modules/timetable/v2/TimetableFragment.kt
@@ -4,21 +4,28 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import android.os.AsyncTask
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.fragment.app.Fragment
 import androidx.viewpager.widget.ViewPager
+import com.google.android.material.datepicker.MaterialDatePicker
+import com.mikepenz.iconics.typeface.library.community.material.CommunityMaterial
 import com.mikepenz.iconics.typeface.library.szkolny.font.SzkolnyFont
 import kotlinx.coroutines.*
 import pl.szczodrzynski.edziennik.App
 import pl.szczodrzynski.edziennik.MainActivity
 import pl.szczodrzynski.edziennik.R
 import pl.szczodrzynski.edziennik.api.v2.LOGIN_TYPE_LIBRUS
+import pl.szczodrzynski.edziennik.data.db.modules.metadata.Metadata
 import pl.szczodrzynski.edziennik.databinding.FragmentTimetableV2Binding
 import pl.szczodrzynski.edziennik.utils.Themes
 import pl.szczodrzynski.edziennik.utils.models.Date
+import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetPrimaryItem
+import pl.szczodrzynski.navlib.bottomsheet.items.BottomSheetSeparatorItem
 import kotlin.coroutines.CoroutineContext
 
 class TimetableFragment : Fragment(), CoroutineScope {
@@ -151,6 +158,35 @@ class TimetableFragment : Fragment(), CoroutineScope {
         b.tabLayout.setUpWithViewPager(b.viewPager)
         b.tabLayout.setCurrentItem(items.indexOfFirst { it.value == today }, false)
 
+        activity.navView.bottomSheet.prependItems(
+                BottomSheetPrimaryItem(true)
+                        .withTitle(R.string.timetable_select_day)
+                        .withIcon(SzkolnyFont.Icon.szf_calendar_today_outline)
+                        .withOnClickListener(View.OnClickListener {
+                            activity.bottomSheet.close()
+                            MaterialDatePicker.Builder
+                                    .datePicker()
+                                    .setSelection(Date.getToday().inMillis)
+                                    .build()
+                                    .apply {
+                                        addOnPositiveButtonClickListener { dateInMillis ->
+                                            val dateSelected = Date.fromMillis(dateInMillis)
+                                            b.tabLayout.setCurrentItem(items.indexOfFirst { it == dateSelected }, true)
+                                        }
+                                        show(this@TimetableFragment.activity.supportFragmentManager, "MaterialDatePicker")
+                                    }
+                        }),
+                BottomSheetSeparatorItem(true),
+                BottomSheetPrimaryItem(true)
+                        .withTitle(R.string.menu_mark_as_read)
+                        .withIcon(CommunityMaterial.Icon.cmd_eye_check_outline)
+                        .withOnClickListener(View.OnClickListener {
+                            activity.bottomSheet.close()
+                            AsyncTask.execute { app.db.metadataDao().setAllSeen(App.profileId, Metadata.TYPE_LESSON_CHANGE, true) }
+                            Toast.makeText(activity, R.string.main_menu_mark_as_read_success, Toast.LENGTH_SHORT).show()
+                        })
+        )
+
         //activity.navView.bottomBar.fabEnable = true
         activity.navView.bottomBar.fabExtendedText = getString(R.string.timetable_today)
         activity.navView.bottomBar.fabIcon = SzkolnyFont.Icon.szf_calendar_today_outline
@@ -158,4 +194,4 @@ class TimetableFragment : Fragment(), CoroutineScope {
             b.tabLayout.setCurrentItem(items.indexOfFirst { it.value == today }, true)
         })
     }}
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java b/app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java
index 6ecc8611..89d7a613 100644
--- a/app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java
+++ b/app/src/main/java/pl/szczodrzynski/edziennik/utils/models/Date.java
@@ -134,11 +134,23 @@ public class Date implements Comparable<Date> {
 
     public Date stepForward(int years, int months, int days) {
         this.day += days;
+        if (day <= 0) {
+            month--;
+            if(month <= 0) {
+                month += 12;
+                year--;
+            }
+            day += daysInMonth();
+        }
         if (day > daysInMonth()) {
             day -= daysInMonth();
             month++;
         }
         this.month += months;
+        if(month <= 0) {
+            month += 12;
+            year--;
+        }
         if (month > 12) {
             month -= 12;
             year++;
@@ -176,6 +188,7 @@ public class Date implements Comparable<Date> {
     public boolean isLeap() {
         return ((year & 3) == 0) && ((year % 100) != 0 || (year % 400) == 0);
     }
+
     public int daysInMonth() {
         switch (month) {
             case 1:
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 44e889f7..89fab7a3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1030,4 +1030,5 @@
     <string name="edziennik_progress_endpoint_grade_comments">Pobieranie komentarzy ocen...</string>
     <string name="menu_remove_notifications">Usuń wszystkie</string>
     <string name="menu_remove_notifications_success">Wyczyszczono powiadomienia</string>
+    <string name="timetable_select_day">Wybierz dzień</string>
 </resources>