diff --git a/Example/KVKCalendar/events.json b/Example/KVKCalendar/events.json
index 45d95f23..4911fa28 100644
--- a/Example/KVKCalendar/events.json
+++ b/Example/KVKCalendar/events.json
@@ -346,7 +346,7 @@
             "id": "12",
             "border_color": "#FFFFFF",
             "color": "#ed6160",
-            "end": "2022-12-15T14:00:00+03:00",
+            "end": "2022-12-17T14:00:00+03:00",
             "start": "2022-12-14T13:30:00+03:00",
             "text_color": "#000000",
             "title": "Event number 16",
diff --git a/KVKCalendar.podspec b/KVKCalendar.podspec
index 5c8d1e55..73d491fa 100644
--- a/KVKCalendar.podspec
+++ b/KVKCalendar.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name             = 'KVKCalendar'
-  s.version          = '0.6.10'
+  s.version          = '0.6.11'
   s.summary          = 'A most fully customization calendar for Apple platforms.'
   
   s.description      = <<-DESC
diff --git a/Sources/KVKCalendar/Calendar+Extension.swift b/Sources/KVKCalendar/Calendar+Extension.swift
index dfcb5682..14973b0d 100644
--- a/Sources/KVKCalendar/Calendar+Extension.swift
+++ b/Sources/KVKCalendar/Calendar+Extension.swift
@@ -99,6 +99,15 @@ extension UIScrollView {
 
 extension UIApplication {
     
+    var orientation: UIInterfaceOrientation {
+        if #available(iOS 13.0, *) {
+            return UIApplication.shared.windows.first?.windowScene?.interfaceOrientation ?? .unknown
+        } else {
+            let value = UIDevice.current.orientation
+            return UIInterfaceOrientation(rawValue: value.rawValue) ?? .unknown
+        }
+    }
+    
     var isAvailableBottomHomeIndicator: Bool {
         if #available(iOS 15.0, *) {
             if let keyWindow = UIApplication.shared.connectedScenes
diff --git a/Sources/KVKCalendar/Date+Extension.swift b/Sources/KVKCalendar/Date+Extension.swift
index 4677e586..2168ea7c 100644
--- a/Sources/KVKCalendar/Date+Extension.swift
+++ b/Sources/KVKCalendar/Date+Extension.swift
@@ -136,7 +136,7 @@ public extension Date {
         return Date(timeInterval: seconds, since: self)
     }
     
-    func convertTimeZone(_ initTimeZone: TimeZone, to timeZone: TimeZone) -> Date {
+    func kvkConvertTimeZone(_ initTimeZone: TimeZone, to timeZone: TimeZone) -> Date {
         let value = TimeInterval(timeZone.secondsFromGMT() - initTimeZone.secondsFromGMT())
         var components = DateComponents()
         components.second = Int(value)
@@ -144,12 +144,12 @@ public extension Date {
         return date ?? self
     }
         
-    func isSameDay(otherDate: Date) -> Bool {
+    func kvkIsSameDay(otherDate: Date) -> Bool {
         let diff = Calendar.current.dateComponents([.day], from: self, to: otherDate)
         return diff.day == 0
     }
     
-    func addingTo(_ component: Calendar.Component, value: Int) -> Date? {
+    func kvkAddingTo(_ component: Calendar.Component, value: Int) -> Date? {
         if let newDate = Calendar.current.date(byAdding: component, value: value, to: self) {
             return newDate
         }
@@ -157,7 +157,11 @@ public extension Date {
         return nil
     }
     
-    func isEqual(_ date: Date) -> Bool {
+    func kvkIsEqual(_ date: Date) -> Bool {
         date.kvkYear == kvkYear && date.kvkMonth == kvkMonth && date.kvkDay == kvkDay
     }
+    
+    var kvkIsFebruary: Bool {
+        kvkMonth == 2
+    }
 }
diff --git a/Sources/KVKCalendar/DayCell.swift b/Sources/KVKCalendar/DayCell.swift
index b5ca270a..27a799ef 100644
--- a/Sources/KVKCalendar/DayCell.swift
+++ b/Sources/KVKCalendar/DayCell.swift
@@ -141,7 +141,7 @@ class DayCell: UICollectionViewCell {
     
     private func populateDay(date: Date?, colorText: UIColor) {
         let nowDate = Date()
-        if date?.isEqual(nowDate) == true {
+        if date?.kvkIsEqual(nowDate) == true {
             dateLabel.textColor = UIScreen.isDarkMode ? style.headerScroll.colorCurrentSelectDateForDarkStyle : style.headerScroll.colorCurrentDate
             dotView.backgroundColor = style.headerScroll.colorBackgroundCurrentDate
         } else {
diff --git a/Sources/KVKCalendar/DayView.swift b/Sources/KVKCalendar/DayView.swift
index ef5f104a..d16cf063 100644
--- a/Sources/KVKCalendar/DayView.swift
+++ b/Sources/KVKCalendar/DayView.swift
@@ -78,7 +78,7 @@ final class DayView: UIView {
     @discardableResult private func updateEventViewer(frame: CGRect) -> CGRect? {
         var viewerFrame = frame
         // hard reset the width when we change the orientation
-        if UIDevice.current.orientation.isPortrait {
+        if UIApplication.shared.orientation.isPortrait {
             viewerFrame.size.width = bounds.width * 0.5
             viewerFrame.origin.x = viewerFrame.width
         } else {
@@ -324,7 +324,7 @@ extension DayView: CalendarSettingProtocol {
         }
         
         if isAvailableEventViewer {
-            if UIDevice.current.orientation.isPortrait {
+            if UIApplication.shared.orientation.isPortrait {
                 timelineFrame.size.width = UIScreen.main.bounds.width * 0.5
             } else {
                 timelineFrame.size.width -= style.timeline.widthEventViewer ?? 0
diff --git a/Sources/KVKCalendar/ListView.swift b/Sources/KVKCalendar/ListView.swift
index 6ab987b3..18958481 100644
--- a/Sources/KVKCalendar/ListView.swift
+++ b/Sources/KVKCalendar/ListView.swift
@@ -100,7 +100,7 @@ public final class ListView: UIView, CalendarSettingProtocol {
         
         guard !params.data.isSkeletonVisible else { return }
         
-        if let idx = params.data.sections.firstIndex(where: { $0.date.isEqual(date) }) {
+        if let idx = params.data.sections.firstIndex(where: { $0.date.kvkIsEqual(date) }) {
             tableView.scrollToRow(at: IndexPath(row: 0, section: idx), at: .top, animated: animated)
         } else if let idx = params.data.sections.firstIndex(where: { $0.date.kvkYear == date.kvkYear && $0.date.kvkMonth == date.kvkMonth }) {
             tableView.scrollToRow(at: IndexPath(row: 0, section: idx), at: .top, animated: animated)
diff --git a/Sources/KVKCalendar/ListViewData.swift b/Sources/KVKCalendar/ListViewData.swift
index f0158f3a..92296a7f 100644
--- a/Sources/KVKCalendar/ListViewData.swift
+++ b/Sources/KVKCalendar/ListViewData.swift
@@ -55,7 +55,7 @@ public final class ListViewData: EventDateProtocol {
             if let date = lastDate, let calendar = style?.calendar {
                 let recurringSections = addRecurringEvent(event, lastDate: date, calendar: calendar)
                 recurringSections.forEach { (recurringSection) in
-                    if let idx = accTemp.firstIndex(where: { $0.date.isEqual(recurringSection.date) }) {
+                    if let idx = accTemp.firstIndex(where: { $0.date.kvkIsEqual(recurringSection.date) }) {
                         accTemp[idx].events += recurringSection.events
                         accTemp[idx].events = accTemp[idx].events.sorted(by: { $0.start < $1.start })
                     } else {
diff --git a/Sources/KVKCalendar/MonthCell.swift b/Sources/KVKCalendar/MonthCell.swift
index 9d48c6d1..798f6a51 100644
--- a/Sources/KVKCalendar/MonthCell.swift
+++ b/Sources/KVKCalendar/MonthCell.swift
@@ -82,7 +82,7 @@ final class MonthCell: KVKCollectionViewCell {
                 return
             }
             
-            if Platform.currentInterface == .phone && UIDevice.current.orientation.isLandscape { return }
+            if Platform.currentInterface == .phone && UIApplication.shared.orientation.isLandscape { return }
             
             if monthStyle.showMonthNameInFirstDay {
                 showMonthName(day: day)
@@ -360,7 +360,7 @@ final class MonthCell: KVKCollectionViewCell {
         guard day.type != .empty else { return }
         
         guard date?.kvkYear == nowDate.kvkYear else {
-            if date?.isEqual(selectDate) == true {
+            if date?.kvkIsEqual(selectDate) == true {
                 label.textColor = monthStyle.colorSelectDate
                 label.backgroundColor = monthStyle.colorBackgroundSelectDate
                 label.layer.cornerRadius = label.frame.height / 2
diff --git a/Sources/KVKCalendar/MonthData.swift b/Sources/KVKCalendar/MonthData.swift
index 09c9956a..ea4e3ed0 100644
--- a/Sources/KVKCalendar/MonthData.swift
+++ b/Sources/KVKCalendar/MonthData.swift
@@ -116,6 +116,23 @@ final class MonthData: EventDateProtocol {
         return selectedDates
     }
     
+    func findNextDateInMonth(_ month: Month) -> Date {
+        if let date = month.days.first(where: { $0.date?.kvkYear == month.date.kvkYear
+            && $0.date?.kvkMonth == month.date.kvkMonth
+            && $0.date?.kvkDay == date.kvkDay })?.date {
+            return date
+        } else if let date = month.days.first(where: { $0.date?.kvkYear == month.date.kvkYear
+            && $0.date?.kvkMonth == month.date.kvkMonth
+            && $0.date?.kvkDay == (date.kvkDay - 1) })?.date {
+            return date
+        } else if month.date.kvkIsFebruary {
+            // check for only February
+            return month.days.last(where: { $0.type != .empty })?.date ?? Date()
+        } else {
+            return Date()
+        }
+    }
+    
     func reloadEventsInDays(events: [Event], date: Date) -> (events: [Event], dates: [Date?]) {
         let recurringEvents = events.filter { $0.recurringType != .none } 
         guard let idxSection = data.months.firstIndex(where: { $0.date.kvkMonth == date.kvkMonth && $0.date.kvkYear == date.kvkYear }) else {
@@ -126,7 +143,7 @@ final class MonthData: EventDateProtocol {
         var displayableEvents = [Event]()
         let updatedDays = days.reduce([], { (acc, day) -> [Day] in
             var newDay = day            
-            let filteredEventsByDay = events.filter { compareStartDate(day.date, with: $0) && !$0.isAllDay }
+            let filteredEventsByDay = events.filter { (compareStartDate(day.date, with: $0) || checkMultipleDate(day.date, with: $0, checkMonth: true)) && !$0.isAllDay }
             let filteredAllDayEvents = events.filter { $0.isAllDay }
             let allDayEvents = filteredAllDayEvents.filter {
                 compareStartDate(day.date, with: $0)
diff --git a/Sources/KVKCalendar/MonthView.swift b/Sources/KVKCalendar/MonthView.swift
index c5f6dc0d..6c3a0a7d 100644
--- a/Sources/KVKCalendar/MonthView.swift
+++ b/Sources/KVKCalendar/MonthView.swift
@@ -413,12 +413,9 @@ extension MonthView: UICollectionViewDelegate, UICollectionViewDelegateFlowLayou
         guard let index = objectView.indexPathForItem(at: center) else { return }
 
         let month = parameters.monthData.data.months[index.section]
-        guard style.month.autoSelectionDateWhenScrolling,
-              let newDate = month.days.first(where: { $0.date?.kvkYear == month.date.kvkYear
-                  && $0.date?.kvkMonth == month.date.kvkMonth
-                  && $0.date?.kvkDay == parameters.monthData.date.kvkDay })?.date,
-              parameters.monthData.date != newDate
-        else { return }
+        guard style.month.autoSelectionDateWhenScrolling else { return }
+        let newDate = parameters.monthData.findNextDateInMonth(month)
+        guard parameters.monthData.date != newDate else { return }
 
         parameters.monthData.date = newDate
         willSelectDate?(newDate)
@@ -441,20 +438,7 @@ extension MonthView: UICollectionViewDelegate, UICollectionViewDelegateFlowLayou
         let month = parameters.monthData.data.months[visibleIndex]
         weekHeaderView.date = month.date
         guard style.month.autoSelectionDateWhenScrolling else { return }
-        
-        let newDate: Date
-        if let date = month.days.first(where: { $0.date?.kvkYear == month.date.kvkYear
-            && $0.date?.kvkMonth == month.date.kvkMonth
-            && $0.date?.kvkDay == parameters.monthData.date.kvkDay })?.date {
-            newDate = date
-        } else if let date = month.days.first(where: { $0.date?.kvkYear == month.date.kvkYear
-            && $0.date?.kvkMonth == month.date.kvkMonth
-            && $0.date?.kvkDay == (parameters.monthData.date.kvkDay - 1) })?.date {
-            newDate = date
-        } else {
-            newDate = Date()
-        }
-        
+        let newDate = parameters.monthData.findNextDateInMonth(month)
         guard parameters.monthData.date != newDate else { return }
         
         parameters.monthData.date = newDate
@@ -519,8 +503,7 @@ extension MonthView: UICollectionViewDelegate, UICollectionViewDelegateFlowLayou
         let month = parameters.monthData.data.months[indexPath.section]
         let index = IndexPath(row: 0, section: indexPath.section)
         
-        if let headerView = dataSource?.dequeueHeader(date: month.date, type: .month, view: collectionView, indexPath: index) as? UICollectionReusableView
-        {
+        if let headerView = dataSource?.dequeueHeader(date: month.date, type: .month, view: collectionView, indexPath: index) as? UICollectionReusableView {
             return headerView
         } else {
             return collectionView.kvkDequeueView(indexPath: index) { (headerView: MonthHeaderView) in
diff --git a/Sources/KVKCalendar/ScrollableWeekView.swift b/Sources/KVKCalendar/ScrollableWeekView.swift
index 7bca93c8..db57d64f 100644
--- a/Sources/KVKCalendar/ScrollableWeekView.swift
+++ b/Sources/KVKCalendar/ScrollableWeekView.swift
@@ -95,7 +95,7 @@ final class ScrollableWeekView: UIView {
     
     func getIdxByDate(_ date: Date) -> Int? {
         weeks.firstIndex(where: { week in
-            week.firstIndex(where: { $0.date?.isEqual(date) ?? false }) != nil
+            week.firstIndex(where: { $0.date?.kvkIsEqual(date) ?? false }) != nil
         })
     }
     
diff --git a/Sources/KVKCalendar/Style.swift b/Sources/KVKCalendar/Style.swift
index 0e450cb1..0a5ba61a 100644
--- a/Sources/KVKCalendar/Style.swift
+++ b/Sources/KVKCalendar/Style.swift
@@ -263,9 +263,9 @@ public struct TimelineStyle {
                 return true
             case .today:
                 let date = Date()
-                return dates.contains(where: { date.isEqual($0) })
+                return dates.contains(where: { date.kvkIsEqual($0) })
             case .forDate(let date):
-                return dates.contains(where: { date.isEqual($0) })
+                return dates.contains(where: { date.kvkIsEqual($0) })
             case .never:
                 return false
             }
@@ -282,9 +282,9 @@ public struct TimelineStyle {
                 return true
             case .today:
                 let date = Date()
-                return dates.contains(where: { date.isEqual($0) })
+                return dates.contains(where: { date.kvkIsEqual($0) })
             case .forDate(let date), .onlyOnInitForDate(let date):
-                return dates.contains(where: { date.isEqual($0) })
+                return dates.contains(where: { date.kvkIsEqual($0) })
             case .never:
                 return false
             }
diff --git a/Sources/KVKCalendar/TimelineModel.swift b/Sources/KVKCalendar/TimelineModel.swift
index 4752308d..73d61237 100644
--- a/Sources/KVKCalendar/TimelineModel.swift
+++ b/Sources/KVKCalendar/TimelineModel.swift
@@ -60,13 +60,13 @@ extension EventDateProtocol {
     func compareStartDate(_ date: Date?, with event: Event) -> Bool {
         guard let dt = date else { return false }
         
-        return event.start.isEqual(dt)
+        return event.start.kvkIsEqual(dt)
     }
     
     func compareEndDate(_ date: Date?, with event: Event) -> Bool {
         guard let dt = date else { return false }
         
-        return event.end.isEqual(dt)
+        return event.end.kvkIsEqual(dt)
     }
     
     func checkMultipleDate(_ date: Date?, with event: Event, checkMonth: Bool = false) -> Bool {
diff --git a/Sources/KVKCalendar/TimelineView.swift b/Sources/KVKCalendar/TimelineView.swift
index 49e8d4be..f76e66d7 100644
--- a/Sources/KVKCalendar/TimelineView.swift
+++ b/Sources/KVKCalendar/TimelineView.swift
@@ -145,7 +145,7 @@ final class TimelineView: UIView, EventDateProtocol, CalendarTimer {
         let action = { [weak self] in
             guard let self = self else { return }
             
-            let nextDate = Date().convertTimeZone(TimeZone.current, to: self.style.timezone)
+            let nextDate = Date().kvkConvertTimeZone(TimeZone.current, to: self.style.timezone)
             guard self.currentLineView.valueHash != nextDate.kvkMinute.hashValue,
                   let time = self.getTimelineLabel(hour: nextDate.kvkHour) else { return }
             
@@ -173,7 +173,7 @@ final class TimelineView: UIView, EventDateProtocol, CalendarTimer {
     
     private func showCurrentLineHour() {
         currentLineView.isHidden = !isDisplayedCurrentTime
-        let date = Date().convertTimeZone(TimeZone.current, to: style.timezone)
+        let date = Date().kvkConvertTimeZone(TimeZone.current, to: style.timezone)
         guard style.timeline.showLineHourMode.showForDates(dates),
               let time = getTimelineLabel(hour: date.kvkHour) else {
             stopTimer(timerKey)
diff --git a/Sources/KVKCalendar/WeekData.swift b/Sources/KVKCalendar/WeekData.swift
index 3526f2e5..56950cd8 100644
--- a/Sources/KVKCalendar/WeekData.swift
+++ b/Sources/KVKCalendar/WeekData.swift
@@ -51,13 +51,13 @@ final class WeekData: EventDateProtocol, ScrollableWeekProtocol {
         var extensionDays: [Day] = []
         
         if maxDays != 7,
-           let indexOfInputDate = defaultDays.firstIndex(where: { $0.date?.isSameDay(otherDate: data.date) ?? false }),
+           let indexOfInputDate = defaultDays.firstIndex(where: { $0.date?.kvkIsSameDay(otherDate: data.date) ?? false }),
            let firstDate = defaultDays.first?.date {
             let extraBufferDays = (defaultDays.count - indexOfInputDate) % maxDays
             if extraBufferDays > 0 {
                 var i = extraBufferDays
                 while (i > 0) {
-                    if let newDate = firstDate.addingTo(.day, value: -1 * i) {
+                    if let newDate = firstDate.kvkAddingTo(.day, value: -1 * i) {
                         extensionDays.append(Day(type: .empty, date: newDate, data: []))
                     }
                     i -= 1
diff --git a/Sources/KVKCalendar/YearCell.swift b/Sources/KVKCalendar/YearCell.swift
index 8643f4b3..c621a52d 100644
--- a/Sources/KVKCalendar/YearCell.swift
+++ b/Sources/KVKCalendar/YearCell.swift
@@ -160,7 +160,7 @@ final class YearCell: UICollectionViewCell {
         }
         
         guard date?.kvkYear == nowDate.kvkYear else {
-            if date?.isEqual(selectDate) == true {
+            if date?.kvkIsEqual(selectDate) == true {
                 label.textColor = style.year.colorSelectDate
                 label.backgroundColor = style.year.colorBackgroundSelectDate
                 label.layer.cornerRadius = label.frame.height / 2