diff --git a/yaml/parse_test.ts b/yaml/parse_test.ts
index 22652b2356e4..b065b0cb95d5 100644
--- a/yaml/parse_test.ts
+++ b/yaml/parse_test.ts
@@ -422,12 +422,16 @@ Deno.test({
       parse(`
 - 2001-12-15T02:59:43.1Z
 - 2001-12-14t21:59:43.10-05:00
+- 2001-12-14t21:59:43.10+05:00
 - 2001-12-14 21:59:43.10 -5
+- 2001-12-14 21:59:43.10 +5
 - 2002-12-14`),
       [
         new Date(Date.UTC(2001, 11, 15, 2, 59, 43, 100)),
         new Date("2001-12-14T21:59:43.100-05:00"),
+        new Date("2001-12-14T21:59:43.100+05:00"),
         new Date("2001-12-14T21:59:43.100-05:00"),
+        new Date("2001-12-14T21:59:43.100+05:00"),
         new Date("2002-12-14"),
       ],
     );