diff --git a/plotly/plotlyfig.m b/plotly/plotlyfig.m
index 9b740525..19a6fc74 100644
--- a/plotly/plotlyfig.m
+++ b/plotly/plotlyfig.m
@@ -838,7 +838,7 @@ function delete(obj)
             fnmod = fn;
             
             try
-                for d = 1:length(fn);
+                for d = 1:length(fn)
                     
                     % clean up axis keys
                     if any(strfind(fn{d},'xaxis')) || any(strfind(fn{d},'yaxis'))
diff --git a/plotly/plotlyfig_aux/core/updateAxis.m b/plotly/plotlyfig_aux/core/updateAxis.m
index b6e04d24..cee95c0c 100644
--- a/plotly/plotlyfig_aux/core/updateAxis.m
+++ b/plotly/plotlyfig_aux/core/updateAxis.m
@@ -253,12 +253,42 @@
         
         %-xaxis range-%
         xaxis.range = log10(axis_data.XLim);
+        %-xaxis autotick-%
+        xaxis.autotick = true;
+        %-xaxis nticks-%
+        xaxis.nticks = length(axis_data.XTick) + 1;
         
     elseif strcmp(xaxis.type,'linear')
         
         if strcmp(axis_data.XTickLabelMode,'auto')
             %-xaxis range-%
-            xaxis.range = axis_data.XLim;
+            if isnumeric(axis_data.XLim)
+                xaxis.range = axis_data.XLim;
+
+            elseif isduration(axis_data.XLim)
+               [temp,type] = convertDuration(axis_data.XLim);
+
+               if (~isduration(temp))              
+                   xaxis.range = temp;
+                   xaxis.type = 'duration';
+                   xaxis.title = type;
+               else
+                    xaxis.autorange = true;
+                    xaxis.type = 'duration - specified format';     
+               end
+
+            elseif isdatetime(axis_data.XLim)
+                xaxis.range = convertDate(axis_data.XLim);
+                xaxis.type = 'date'; 
+            else 
+                % data is a category type
+            end
+
+            %-xaxis autotick-%
+            xaxis.autotick = true;
+            %-xaxis numticks-%
+            xaxis.nticks = length(axis_data.XTick)+1;
+
         else
             %-xaxis show tick labels-%
             if isempty(axis_data.XTickLabel)
@@ -267,45 +297,29 @@
                 %-xaxis autorange-%
                 xaxis.autorange = true;
             else
-                try datevec(axis_data.XTickLabel(1,:),axis_data.UserData.plotly.xdateformat);
-                    %-xaxis type date-%
-                    xaxis.type = 'date';
+                try
+                    %find numbers in labels
+                    labelnums = find(~isnan(xlabels));
+                    %-yaxis type linear-%
+                    xaxis.type = 'linear';
                     %-range (overwrite)-%
-                    xaxis.range = [convertDate(datenum(axis_data.XTickLabel(1,:),axis_data.UserData.plotly.xdateformat)), ...
-                        convertDate(datenum(axis_data.XTickLabel(end,:),axis_data.UserData.plotly.xdateformat))];
+                    delta = (xlabels(labelnums(2)) - xlabels(labelnums(1)))/(labelnums(2)-labelnums(1));
+                    xaxis.range = [xlabels(labelnums(1))-delta*(labelnums(1)-1) xlabels(labelnums(1)) + (length(xlabels)-labelnums(1))*delta];
+                    %-yaxis autotick-%
+                    xaxis.autotick = true;
+                    %-yaxis numticks-%
+                    xaxis.nticks = length(axis_data.XTick) + 1;
                 catch
-                    %x-axis labels
-                    xlabels = str2double(axis_data.XTickLabel);
-                    try
-                        %find numbers in labels
-                        labelnums = find(~isnan(xlabels));
-                        %-yaxis type linear-%
-                        xaxis.type = 'linear';
-                        %-range (overwrite)-%
-                        delta = (xlabels(labelnums(2)) - xlabels(labelnums(1)))/(labelnums(2)-labelnums(1));
-                        xaxis.range = [xlabels(labelnums(1))-delta*(labelnums(1)-1) xlabels(labelnums(1)) + (length(xlabels)-labelnums(1))*delta];
-                        %-yaxis autotick-%
-                        xaxis.autotick = true;
-                        %-yaxis numticks-%
-                        xaxis.nticks = length(axis_data.XTick) + 1;
-                    catch
-                        %-yaxis type category-%
-                        xaxis.type = 'category';
-                        %-range (overwrite)-%
-                        xaxis.autorange = true;
-                        %-yaxis autotick-%
-                        xaxis.autotick = true;
-                    end
+                    %-yaxis type category-%
+                    xaxis.type = 'category';
+                    %-range (overwrite)-%
+                    xaxis.autorange = true;
+                    %-yaxis autotick-%
+                    xaxis.autotick = true;
                 end
             end
         end
     end
-    
-    %-xaxis autotick-%
-    xaxis.autotick = true;
-    %-xaxis numticks-%
-    xaxis.nticks = length(axis_data.XTick) + 1;
-    
 end
 
 %-------------------------------------------------------------------------%
@@ -387,11 +401,6 @@
 
 %-------------------------------------------------------------------------%
 
-%-yaxis range-%
-yaxis.range = axis_data.YLim;
-
-%-------------------------------------------------------------------------%
-
 %-yaxis show tick labels-%
 yaxis.showticklabels = true;
 
@@ -450,12 +459,34 @@
         %-xaxis nticks-%
         yaxis.nticks = length(axis_data.YTick) + 1;
         
-    elseif strcmp(yaxis.type,'linear')
-        
-        %-xaxis range-%
-        yaxis.range = axis_data.YLim;
+    elseif strcmp(yaxis.type,'linear') 
         
         if strcmp(axis_data.YTickLabelMode,'auto')
+
+            %-xaxis range-%
+            if isnumeric(axis_data.YLim)
+                yaxis.range = axis_data.YLim;
+
+            elseif isduration(axis_data.YLim)
+
+               [temp,type] = convertDuration(axis_data.YLim);
+
+               if (~isduration(temp))              
+                   yaxis.range = temp;
+                   yaxis.type = 'duration';
+                   yaxis.title = type;
+               else
+                    yaxis.autorange = true;
+                    yaxis.type = 'duration - specified format';
+               end
+
+            elseif isdatetime(axis_data.YLim)
+                yaxis.range = convertDate(axis_data.YLim);
+                yaxis.type = 'date'; 
+            else 
+                % data is a category type
+            end
+
             %-yaxis autotick-%
             yaxis.autotick = true;
             %-yaxis numticks-%
diff --git a/plotly/plotlyfig_aux/core/updateData.m b/plotly/plotlyfig_aux/core/updateData.m
index ce812fb2..d40878db 100644
--- a/plotly/plotlyfig_aux/core/updateData.m
+++ b/plotly/plotlyfig_aux/core/updateData.m
@@ -99,6 +99,16 @@
     obj.data{dataIndex}.x =  convertDate(obj.data{dataIndex}.x);
 end
 
+% check for xaxis duration
+if strcmpi(xaxis.type, 'duration')
+    obj.data{dataIndex}.x = convertDuration(obj.data{dataIndex}.x);
+end 
+
+% check for xaxis duration with input format
+if strcmpi(xaxis.type, 'duration - specified format')
+    obj.data{dataIndex}.x = get(obj.State.Plot(dataIndex).AssociatedAxis,'XTickLabel');
+end
+
 % check for xaxis categories
 if strcmpi(xaxis.type, 'category') && ...
         ~strcmp(obj.data{dataIndex}.type,'box')
@@ -110,6 +120,16 @@
     obj.data{dataIndex}.y =  convertDate(obj.data{dataIndex}.y);
 end
 
+% check for yaxis duration
+if strcmpi(yaxis.type, 'duration')
+    obj.data{dataIndex}.y = convertDuration(obj.data{dataIndex}.y);
+end 
+
+% check for yaxis duration with input format
+if strcmpi(yaxis.type, 'duration - specified format')
+    obj.data{dataIndex}.y = get(obj.State.Plot(dataIndex).AssociatedAxis,'YTickLabel');
+end
+
 % check for yaxis categories
 if strcmpi(yaxis.type, 'category') && ...
         ~strcmp(obj.data{dataIndex}.type,'box')
diff --git a/plotly/plotlyfig_aux/helpers/convertDate.m b/plotly/plotlyfig_aux/helpers/convertDate.m
index 15b66980..889230b2 100644
--- a/plotly/plotlyfig_aux/helpers/convertDate.m
+++ b/plotly/plotlyfig_aux/helpers/convertDate.m
@@ -1,3 +1,4 @@
-function converted = convertDate(date)
-   converted = (date - datenum(1969,12,31,19,00,00))*1000*60*60*24;
-end
\ No newline at end of file
+function convertedDate = convertDate(date)
+ date.Format = 'yyyy-MM-dd HH:mm:ss';
+ convertedDate = char(date);
+end 
\ No newline at end of file
diff --git a/plotly/plotlyfig_aux/helpers/convertDuration.m b/plotly/plotlyfig_aux/helpers/convertDuration.m
new file mode 100644
index 00000000..bbffae35
--- /dev/null
+++ b/plotly/plotlyfig_aux/helpers/convertDuration.m
@@ -0,0 +1,24 @@
+function [converted,type] = convertDuration(duration)
+switch (duration.Format)
+    case 's'
+        converted = seconds(duration);
+        type = 'sec';     
+    case 'm'
+        converted = minutes(duration);
+        type = 'min';
+    case 'h'
+        converted = hours(duration); 
+        type = 'hr';
+    case 'd'
+        converted = days(duration); 
+        type = 'days';    
+    case 'y'
+        converted = years(duration); 
+        type = 'yrs';   
+    otherwise
+    %no convertion is applied
+    converted = duration;
+    type = '';
+    
+end
+end
\ No newline at end of file