diff --git a/i3/Makefile b/i3/Makefile
index a573621..97089a8 100644
--- a/i3/Makefile
+++ b/i3/Makefile
@@ -7,7 +7,8 @@ REQUIRED_BINS=\
 	/usr/bin/compton \
 	/usr/bin/numlockx \
 	/usr/bin/gedit \
-	/usr/lib/policykit-1/polkit-gnome-authentication-agent-1
+	/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1 \
+	/usr/bin/gsimplecal
 
 PACKAGES=\
 	i3 \
@@ -18,7 +19,8 @@ PACKAGES=\
 	numlockx \
 	gedit \
 	xautolock \
-	policykit-1-gnome
+	policykit-1-gnome \
+	gsimplecal
 
 I3_CONFIG=config
 I3_CONFIG_OUT=$(HOME)/.config/i3/config
diff --git a/i3/config b/i3/config
index 36d64c8..c4981e9 100644
--- a/i3/config
+++ b/i3/config
@@ -242,3 +242,4 @@ for_window [class="Steam" title="Friends List"] floating enable
 for_window [class="Steam" title="^Steam - News.+"] floating enable
 for_window [class="Steam" title="Steam - Self Updater"] floating enable
 for_window [class="org.remmina.Remmina"] border pixel 0
+for_window [class="Gsimplecal"] floating enable, move position mouse, move down 25 px
diff --git a/i3/i3blocks/blocks/date b/i3/i3blocks/blocks/date
index 3bbae79..df965f4 100755
--- a/i3/i3blocks/blocks/date
+++ b/i3/i3blocks/blocks/date
@@ -3,3 +3,10 @@
 FORMAT=+%Y.%m.%d\ %H:%M
 
 date "$FORMAT"
+
+case $BLOCK_BUTTON in
+  1) gsimplecal ;; # left click?
+  3) ;; # right click
+  4) ;; # scroll up
+  5) ;; # scroll down
+esac