diff --git a/tests/datetime/strtotime.php b/tests/datetime/strtotime.php
new file mode 100644
index 0000000000..4e1175add2
--- /dev/null
+++ b/tests/datetime/strtotime.php
@@ -0,0 +1,17 @@
+<?php
+namespace date\strtotime;
+
+function test() {
+    echo date("Y-m-d H:i", strtotime("now")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("10 September 2000")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("+1 day")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("-1 week")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("+1 week 2 days 4 hours 2 seconds")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("next Thursday")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("last Monday")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("2020-07-14")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("2020-01")) . PHP_EOL;
+    echo date("Y-m-d H:i", strtotime("first monday of 2020-01")) . PHP_EOL;
+}
+
+test();