diff --git a/eodb/events/management/commands/activity.py b/eodb/events/management/commands/activity.py
index 0c777f9..cd818fb 100644
--- a/eodb/events/management/commands/activity.py
+++ b/eodb/events/management/commands/activity.py
@@ -51,5 +51,7 @@ class Command(GraphCommand):
             values = [events[x] for x in dates]
 
         plt.bar(dates, values, width=20)
+        plt.gca().xaxis.set_major_locator(matplotlib.dates.YearLocator())
+        plt.gca().xaxis.set_minor_locator(matplotlib.dates.MonthLocator())
         plt.gca().xaxis.set_major_formatter(matplotlib.dates.DateFormatter('%m/%Y'))
         self.plot(options)
diff --git a/eodb/events/management/commands/times.py b/eodb/events/management/commands/times.py
index 28f73b9..8886983 100644
--- a/eodb/events/management/commands/times.py
+++ b/eodb/events/management/commands/times.py
@@ -19,6 +19,8 @@ class Command(GraphCommand):
             event_times.append(graph_date.hour + graph_date.minute / 60. + graph_date.second / 3600)
 
         plt.scatter(event_dates, event_times, alpha=0.3)
+        plt.gca().xaxis.set_major_locator(matplotlib.dates.YearLocator())
+        plt.gca().xaxis.set_minor_locator(matplotlib.dates.MonthLocator())
         plt.gca().xaxis.set_major_formatter(matplotlib.dates.DateFormatter('%m/%Y'))
         plt.gca().set_ylim([0, 24])
         plt.yticks(range(24))