diff --git a/init.el b/init.el
index 164954a..e7ef20c 100644
--- a/init.el
+++ b/init.el
@@ -99,6 +99,10 @@
 (setup buffers
   (:global "C-x k" acdw/kill-a-buffer))
 
+(setup calendar
+  (:option calendar-week-start-day 1 ; Monday
+           ))
+
 (setup completion
   (:option completion-ignore-case t
            read-buffer-completion-ignore-case t