diff --git a/README.md b/README.md
index 3111449..ab86a85 100644
--- a/README.md
+++ b/README.md
@@ -30,3 +30,6 @@ Output:
 2days 0hour 0min 1s
 ```
 
+
+More tests:
+> https://git.hatter.ink/hatter/simpledateformat/src/branch/master/tests/lib_test.rs