diff --git a/test/built-ins/Temporal/PlainTime/prototype/calendar/basic.js b/test/built-ins/Temporal/PlainTime/prototype/calendar/basic.js
new file mode 100644
index 0000000000..83bd0e3f19
--- /dev/null
+++ b/test/built-ins/Temporal/PlainTime/prototype/calendar/basic.js
@@ -0,0 +1,13 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-temporal.plaintime.prototype.calendar
+description: calendar returns the iso8601 calendar.
+features: [Temporal]
+---*/
+
+const pt = new Temporal.PlainTime();
+assert(pt.calendar instanceof Temporal.Calendar, "getter returns Calendar object");
+assert.sameValue(pt.calendar.toString(), "iso8601", "getter returns iso8601 calendar");
+assert.sameValue(pt.calendar, pt.calendar, "getter returns the same object");