diff --git a/.locale.conf b/.locale.conf
new file mode 100644
index 0000000..e0beb56
--- /dev/null
+++ b/.locale.conf
@@ -0,0 +1,2 @@
+#  File generated by update-locale
+LC_TIME=en_DK.UTF-8
diff --git a/ubuntu.md b/ubuntu.md
index 7b5dc98..beb2cbf 100644
--- a/ubuntu.md
+++ b/ubuntu.md
@@ -131,6 +131,8 @@ brew install lf
 
 Use thunderbird to attach to just about any mail + cal clients
 
+To get reasonably formatted dates in thunderbird set `sudo update-locale LC_TIME=en_DK.UTF-8`
+
 
 ## Password Manager