diff --git a/src/Resources/Locales/en_US.axaml b/src/Resources/Locales/en_US.axaml
index 0cc0f0a1..bd2efd9c 100644
--- a/src/Resources/Locales/en_US.axaml
+++ b/src/Resources/Locales/en_US.axaml
@@ -313,6 +313,7 @@
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">Switch Horizontal/Vertical Layout</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">Switch Curve/Polyline Graph Mode</x:String>
   <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">AUTHOR</x:String>
+  <x:String x:Key="Text.Histories.Header.AuthorTime" xml:space="preserve">AUTHOR TIME</x:String>
   <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">GRAPH &amp; SUBJECT</x:String>
   <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">SHA</x:String>
   <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">COMMIT TIME</x:String>
@@ -414,6 +415,7 @@
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">Check for updates on startup</x:String>
   <x:String x:Key="Text.Preference.General.Locale" xml:space="preserve">Language</x:String>
   <x:String x:Key="Text.Preference.General.MaxHistoryCommits" xml:space="preserve">History Commits</x:String>
+  <x:String x:Key="Text.Preference.General.ShowAuthorTime" xml:space="preserve">Show author time intead of commit time in graph</x:String>
   <x:String x:Key="Text.Preference.General.SubjectGuideLength" xml:space="preserve">Subject Guide Length</x:String>
   <x:String x:Key="Text.Preference.Git" xml:space="preserve">GIT</x:String>
   <x:String x:Key="Text.Preference.Git.CRLF" xml:space="preserve">Enable Auto CRLF</x:String>
diff --git a/src/Resources/Locales/zh_CN.axaml b/src/Resources/Locales/zh_CN.axaml
index fe93e7d1..78e455d3 100644
--- a/src/Resources/Locales/zh_CN.axaml
+++ b/src/Resources/Locales/zh_CN.axaml
@@ -316,6 +316,7 @@
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">切换横向/纵向显示</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">切换曲线/折线显示</x:String>
   <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">作者</x:String>
+  <x:String x:Key="Text.Histories.Header.AuthorTime" xml:space="preserve">修改时间</x:String>
   <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">路线图与主题</x:String>
   <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">提交指纹</x:String>
   <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">提交时间</x:String>
@@ -413,6 +414,7 @@
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">启动时检测软件更新</x:String>
   <x:String x:Key="Text.Preference.General.Locale" xml:space="preserve">显示语言</x:String>
   <x:String x:Key="Text.Preference.General.MaxHistoryCommits" xml:space="preserve">最大历史提交数</x:String>
+  <x:String x:Key="Text.Preference.General.ShowAuthorTime" xml:space="preserve">在提交路线图中显示修改时间而非提交时间</x:String>
   <x:String x:Key="Text.Preference.General.SubjectGuideLength" xml:space="preserve">SUBJECT字数检测</x:String>
   <x:String x:Key="Text.Preference.Git" xml:space="preserve">GIT配置</x:String>
   <x:String x:Key="Text.Preference.Git.CRLF" xml:space="preserve">自动换行转换</x:String>
diff --git a/src/Resources/Locales/zh_TW.axaml b/src/Resources/Locales/zh_TW.axaml
index a75c1441..64ae8b06 100644
--- a/src/Resources/Locales/zh_TW.axaml
+++ b/src/Resources/Locales/zh_TW.axaml
@@ -316,6 +316,7 @@
   <x:String x:Key="Text.Histories.DisplayMode" xml:space="preserve">切換橫向/縱向顯示</x:String>
   <x:String x:Key="Text.Histories.GraphMode" xml:space="preserve">切換曲線/折線顯示</x:String>
   <x:String x:Key="Text.Histories.Header.Author" xml:space="preserve">作者</x:String>
+  <x:String x:Key="Text.Histories.Header.AuthorTime" xml:space="preserve">修改時間</x:String>
   <x:String x:Key="Text.Histories.Header.GraphAndSubject" xml:space="preserve">路線圖與訊息標題</x:String>
   <x:String x:Key="Text.Histories.Header.SHA" xml:space="preserve">提交編號</x:String>
   <x:String x:Key="Text.Histories.Header.Time" xml:space="preserve">提交時間</x:String>
@@ -417,6 +418,7 @@
   <x:String x:Key="Text.Preference.General.Check4UpdatesOnStartup" xml:space="preserve">啟動時檢查軟體更新</x:String>
   <x:String x:Key="Text.Preference.General.Locale" xml:space="preserve">顯示語言</x:String>
   <x:String x:Key="Text.Preference.General.MaxHistoryCommits" xml:space="preserve">最大歷史提交數</x:String>
+  <x:String x:Key="Text.Preference.General.ShowAuthorTime" xml:space="preserve">在提交路線圖中顯示修改時間而非提交時間</x:String>
   <x:String x:Key="Text.Preference.General.SubjectGuideLength" xml:space="preserve">提交標題字數偵測</x:String>
   <x:String x:Key="Text.Preference.Git" xml:space="preserve">Git 設定</x:String>
   <x:String x:Key="Text.Preference.Git.CRLF" xml:space="preserve">自動換行轉換</x:String>
diff --git a/src/ViewModels/Preference.cs b/src/ViewModels/Preference.cs
index 49d70365..7a635498 100644
--- a/src/ViewModels/Preference.cs
+++ b/src/ViewModels/Preference.cs
@@ -132,6 +132,12 @@ namespace SourceGit.ViewModels
             set => SetProperty(ref _check4UpdatesOnStartup, value);
         }
 
+        public bool ShowAuthorTimeInGraph
+        {
+            get => _showAuthorTimeInGraph;
+            set => SetProperty(ref _showAuthorTimeInGraph, value);
+        }
+
         public string IgnoreUpdateTag
         {
             get => _ignoreUpdateTag;
@@ -577,6 +583,7 @@ namespace SourceGit.ViewModels
         private int _maxHistoryCommits = 20000;
         private int _subjectGuideLength = 50;
         private bool _useFixedTabWidth = true;
+        private bool _showAuthorTimeInGraph = false;
 
         private bool _check4UpdatesOnStartup = true;
         private double _lastCheckUpdateTime = 0;
diff --git a/src/Views/Histories.axaml b/src/Views/Histories.axaml
index 3996554d..65ec029d 100644
--- a/src/Views/Histories.axaml
+++ b/src/Views/Histories.axaml
@@ -51,7 +51,14 @@
               <ToggleButton Classes="time_display_mode"
                             Width="10" Height="10"
                             IsChecked="{Binding Source={x:Static vm:Preference.Instance}, Path=DisplayTimeAsPeriodInHistories, Mode=TwoWay}"/>
-              <TextBlock Classes="table_header" Margin="6,0,0,0" Text="{DynamicResource Text.Histories.Header.Time}"/>
+              <TextBlock Classes="table_header"
+                         Margin="6,0,0,0"
+                         Text="{DynamicResource Text.Histories.Header.Time}"
+                         IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=ShowAuthorTimeInGraph, Converter={x:Static BoolConverters.Not}, Mode=OneWay}"/>
+              <TextBlock Classes="table_header"
+                         Margin="6,0,0,0"
+                         Text="{DynamicResource Text.Histories.Header.AuthorTime}"
+                         IsVisible="{Binding Source={x:Static vm:Preference.Instance}, Path=ShowAuthorTimeInGraph, Mode=OneWay}"/>
             </StackPanel>
           </Grid>
         </Border>
@@ -180,13 +187,13 @@
                                Opacity="{Binding Opacity}"/>
                   </Border>
 
-                  <!-- COMMIT TIME -->
+                  <!-- TIME -->
                   <Border Grid.Column="3" Padding="4,0" ClipToBounds="True" IsHitTestVisible="False">
                     <v:CommitTimeTextBlock Classes="primary"
                                            HorizontalAlignment="Center"
                                            FontWeight="{Binding FontWeight}"
                                            Opacity="{Binding Opacity}"
-                                           Timestamp="{Binding CommitterTime}"
+                                           UseAuthorTime="{Binding Source={x:Static vm:Preference.Instance}, Path=ShowAuthorTimeInGraph, Mode=OneWay}"
                                            ShowAsDateTime="{Binding Source={x:Static vm:Preference.Instance}, Path=!DisplayTimeAsPeriodInHistories}"/>
                   </Border>
                 </Grid>
diff --git a/src/Views/Histories.axaml.cs b/src/Views/Histories.axaml.cs
index 2c8014ca..66aac50b 100644
--- a/src/Views/Histories.axaml.cs
+++ b/src/Views/Histories.axaml.cs
@@ -303,13 +303,13 @@ namespace SourceGit.Views
             set => SetValue(ShowAsDateTimeProperty, value);
         }
 
-        public static readonly StyledProperty<ulong> TimestampProperty =
-            AvaloniaProperty.Register<CommitTimeTextBlock, ulong>(nameof(Timestamp));
+        public static readonly StyledProperty<bool> UseAuthorTimeProperty =
+            AvaloniaProperty.Register<CommitTimeTextBlock, bool>(nameof(UseAuthorTime), true);
 
-        public ulong Timestamp
+        public bool UseAuthorTime
         {
-            get => GetValue(TimestampProperty);
-            set => SetValue(TimestampProperty, value);
+            get => GetValue(UseAuthorTimeProperty);
+            set => SetValue(UseAuthorTimeProperty, value);
         }
 
         protected override Type StyleKeyOverride => typeof(TextBlock);
@@ -318,7 +318,7 @@ namespace SourceGit.Views
         {
             base.OnPropertyChanged(change);
 
-            if (change.Property == TimestampProperty)
+            if (change.Property == UseAuthorTimeProperty)
             {
                 SetCurrentValue(TextProperty, GetDisplayText());
             }
@@ -347,6 +347,12 @@ namespace SourceGit.Views
             StopTimer();
         }
 
+        protected override void OnDataContextChanged(EventArgs e)
+        {
+            base.OnDataContextChanged(e);
+            SetCurrentValue(TextProperty, GetDisplayText());
+        }
+
         private void StartTimer()
         {
             if (_refreshTimer != null)
@@ -376,30 +382,35 @@ namespace SourceGit.Views
 
         private string GetDisplayText()
         {
+            var commit = DataContext as Models.Commit;
+            if (commit == null)
+                return string.Empty;
+
+            var timestamp = UseAuthorTime ? commit.AuthorTime : commit.CommitterTime;
             if (ShowAsDateTime)
-                return DateTime.UnixEpoch.AddSeconds(Timestamp).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
+                return DateTime.UnixEpoch.AddSeconds(timestamp).ToLocalTime().ToString("yyyy/MM/dd HH:mm:ss");
 
             var today = DateTime.Today;
-            var committerTime = DateTime.UnixEpoch.AddSeconds(Timestamp).ToLocalTime();
+            var localTime = DateTime.UnixEpoch.AddSeconds(timestamp).ToLocalTime();
 
-            if (committerTime >= today)
+            if (localTime >= today)
             {
                 var now = DateTime.Now;
-                var timespan = now - committerTime;
+                var timespan = now - localTime;
                 if (timespan.TotalHours > 1)
                     return App.Text("Period.HoursAgo", (int)timespan.TotalHours);
 
                 return timespan.TotalMinutes < 1 ? App.Text("Period.JustNow") : App.Text("Period.MinutesAgo", (int)timespan.TotalMinutes);
             }
 
-            var diffYear = today.Year - committerTime.Year;
+            var diffYear = today.Year - localTime.Year;
             if (diffYear == 0)
             {
-                var diffMonth = today.Month - committerTime.Month;
+                var diffMonth = today.Month - localTime.Month;
                 if (diffMonth > 0)
                     return diffMonth == 1 ? App.Text("Period.LastMonth") : App.Text("Period.MonthsAgo", diffMonth);
 
-                var diffDay = today.Day - committerTime.Day;
+                var diffDay = today.Day - localTime.Day;
                 return diffDay == 1 ? App.Text("Period.Yesterday") : App.Text("Period.DaysAgo", diffDay);
             }
 
diff --git a/src/Views/Preference.axaml b/src/Views/Preference.axaml
index 88d335e3..1198008e 100644
--- a/src/Views/Preference.axaml
+++ b/src/Views/Preference.axaml
@@ -52,7 +52,7 @@
           <TabItem.Header>
             <TextBlock Classes="tab_header" Text="{DynamicResource Text.Preference.General}"/>
           </TabItem.Header>
-          <Grid Margin="8" RowDefinitions="32,32,32,32,32" ColumnDefinitions="Auto,*">            
+          <Grid Margin="8" RowDefinitions="32,32,32,32,32,32" ColumnDefinitions="Auto,*">            
             <TextBlock Grid.Row="0" Grid.Column="0"
                        Text="{DynamicResource Text.Preference.General.Locale}"
                        HorizontalAlignment="Right"
@@ -116,6 +116,11 @@
                       Height="32"
                       Content="{DynamicResource Text.Preference.General.Check4UpdatesOnStartup}"
                       IsChecked="{Binding Source={x:Static vm:Preference.Instance}, Path=Check4UpdatesOnStartup, Mode=TwoWay}"/>
+
+            <CheckBox Grid.Row="5" Grid.Column="1"
+                      Height="32"
+                      Content="{DynamicResource Text.Preference.General.ShowAuthorTime}"
+                      IsChecked="{Binding Source={x:Static vm:Preference.Instance}, Path=ShowAuthorTimeInGraph, Mode=TwoWay}"/>
           </Grid>
         </TabItem>