diff --git a/test/test_convert_time.c b/test/test_convert_time.c
index 73a014b..b68e9f2 100644
--- a/test/test_convert_time.c
+++ b/test/test_convert_time.c
@@ -51,3 +51,10 @@ void test_convert_time_sectohour(void){
     result = converter_sec_in_hour(3600.0);
     TEST_ASSERT_EQUAL_DOUBLE(expectedResult, result);
 }
+
+void test_convert_time_daysinyears(void){
+    double expectedResult = 1.0;
+    double result;
+    result = converter_days_to_years(365.0);
+    TEST_ASSERT_EQUAL_DOUBLE(expectedResult, result);
+}