diff --git a/matlab/+SSF/drawKymosCondition.m b/matlab/+SSF/drawKymosCondition.m
index 337f3c0cc212e127edacae2145c3f8fefd76c904..921a87822ccdfeaa8aaa7399ba86b5b4d0bddb69 100644
--- a/matlab/+SSF/drawKymosCondition.m
+++ b/matlab/+SSF/drawKymosCondition.m
@@ -92,7 +92,7 @@ for cc = 1:length(xClasses)
             'VerticalAlignment','top');
         
         % label time
-        tHours = [24:24:szim(ff,2)-12];
+        tHours = [48:48:szim(ff,2)-12];
         for i = 1:length(tHours)
             text(x+tHours(i),y+szim(ff,1),num2str(round(tHours(i)./framesPerHour)),'Interpreter','none','FontSize',6,...
             'VerticalAlignment','bottom');