diff --git a/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/basic.js b/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/basic.js
new file mode 100644
index 0000000000..aaa7f82ddd
--- /dev/null
+++ b/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/basic.js
@@ -0,0 +1,78 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.timezone.prototype.getplaindatetimefor
+description: Sample of results for IANA time zones
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+function test(epochNs, results) {
+  const instant = new Temporal.Instant(epochNs);
+  Object.entries(results).forEach(([id, expected]) => {
+    const tz = new Temporal.TimeZone(id);
+    const dt = tz.getPlainDateTimeFor(instant);
+    TemporalHelpers.assertPlainDateTime(dt, ...expected, `Local time of ${instant} in ${id}`);
+  });
+}
+
+// Unix epoch
+test(0n, {
+  'America/Los_Angeles': [1969, 12, "M12", 31, 16, 0, 0, 0, 0, 0],
+  'America/New_York': [1969, 12, "M12", 31, 19, 0, 0, 0, 0, 0],
+  'Africa/Monrovia': [1969, 12, "M12", 31, 23, 15, 30, 0, 0, 0],
+  'Europe/London': [1970, 1, "M01", 1, 1, 0, 0, 0, 0, 0],
+  'Europe/Berlin': [1970, 1, "M01", 1, 1, 0, 0, 0, 0, 0],
+  'Europe/Moscow': [1970, 1, "M01", 1, 3, 0, 0, 0, 0, 0],
+  'Asia/Kolkata': [1970, 1, "M01", 1, 5, 30, 0, 0, 0, 0],
+  'Asia/Tokyo': [1970, 1, "M01", 1, 9, 0, 0, 0, 0, 0],
+});
+
+// Just before epoch
+test(-1n, {
+  'America/Los_Angeles': [1969, 12, "M12", 31, 15, 59, 59, 999, 999, 999],
+  'America/New_York': [1969, 12, "M12", 31, 18, 59, 59, 999, 999, 999],
+  'Africa/Monrovia': [1969, 12, "M12", 31, 23, 15, 29, 999, 999, 999],
+  'Europe/London': [1970, 1, "M01", 1, 0, 59, 59, 999, 999, 999],
+  'Europe/Berlin': [1970, 1, "M01", 1, 0, 59, 59, 999, 999, 999],
+  'Europe/Moscow': [1970, 1, "M01", 1, 2, 59, 59, 999, 999, 999],
+  'Asia/Kolkata': [1970, 1, "M01", 1, 5, 29, 59, 999, 999, 999],
+  'Asia/Tokyo': [1970, 1, "M01", 1, 8, 59, 59, 999, 999, 999],
+});
+
+// Just after epoch
+test(1n, {
+  'America/Los_Angeles': [1969, 12, "M12", 31, 16, 0, 0, 0, 0, 1],
+  'America/New_York': [1969, 12, "M12", 31, 19, 0, 0, 0, 0, 1],
+  'Africa/Monrovia': [1969, 12, "M12", 31, 23, 15, 30, 0, 0, 1],
+  'Europe/London': [1970, 1, "M01", 1, 1, 0, 0, 0, 0, 1],
+  'Europe/Berlin': [1970, 1, "M01", 1, 1, 0, 0, 0, 0, 1],
+  'Europe/Moscow': [1970, 1, "M01", 1, 3, 0, 0, 0, 0, 1],
+  'Asia/Kolkata': [1970, 1, "M01", 1, 5, 30, 0, 0, 0, 1],
+  'Asia/Tokyo': [1970, 1, "M01", 1, 9, 0, 0, 0, 0, 1],
+});
+
+// Hours before epoch
+test(-6300_000_000_001n, {
+  'America/Los_Angeles': [1969, 12, "M12", 31, 14, 14, 59, 999, 999, 999],
+  'America/New_York': [1969, 12, "M12", 31, 17, 14, 59, 999, 999, 999],
+  'Africa/Monrovia': [1969, 12, "M12", 31, 21, 30, 29, 999, 999, 999],
+  'Europe/London': [1969, 12, "M12", 31, 23, 14, 59, 999, 999, 999],
+  'Europe/Berlin': [1969, 12, "M12", 31, 23, 14, 59, 999, 999, 999],
+  'Europe/Moscow': [1970, 1, "M01", 1, 1, 14, 59, 999, 999, 999],
+  'Asia/Kolkata': [1970, 1, "M01", 1, 3, 44, 59, 999, 999, 999],
+  'Asia/Tokyo': [1970, 1, "M01", 1, 7, 14, 59, 999, 999, 999],
+});
+
+// Hours after epoch
+test(6300_000_000_001n, {
+  'America/Los_Angeles': [1969, 12, "M12", 31, 17, 45, 0, 0, 0, 1],
+  'America/New_York': [1969, 12, "M12", 31, 20, 45, 0, 0, 0, 1],
+  'Africa/Monrovia': [1970, 1, "M01", 1, 1, 0, 30, 0, 0, 1],
+  'Europe/London': [1970, 1, "M01", 1, 2, 45, 0, 0, 0, 1],
+  'Europe/Berlin': [1970, 1, "M01", 1, 2, 45, 0, 0, 0, 1],
+  'Europe/Moscow': [1970, 1, "M01", 1, 4, 45, 0, 0, 0, 1],
+  'Asia/Kolkata': [1970, 1, "M01", 1, 7, 15, 0, 0, 0, 1],
+  'Asia/Tokyo': [1970, 1, "M01", 1, 10, 45, 0, 0, 0, 1],
+});
diff --git a/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/dst.js b/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/dst.js
new file mode 100644
index 0000000000..dea36e2dcd
--- /dev/null
+++ b/test/intl402/Temporal/TimeZone/prototype/getPlainDateTimeFor/dst.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.timezone.prototype.getplaindatetimefor
+description: Sample of results for IANA time zones around DST changes
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+function test(epochNs, id, expected) {
+  const instant = new Temporal.Instant(epochNs);
+  const tz = new Temporal.TimeZone(id);
+  const dt = tz.getPlainDateTimeFor(instant);
+  TemporalHelpers.assertPlainDateTime(dt, ...expected, `Local time of ${instant} in ${id}`);
+}
+
+// Just before DST forward shift
+test(1553993999_999_999_999n, "Europe/London", [2019, 3, "M03", 31, 0, 59, 59, 999, 999, 999]);
+// Just after DST forward shift
+test(1553994000_000_000_000n, "Europe/London", [2019, 3, "M03", 31, 2, 0, 0, 0, 0, 0]);
+// Just before DST backward shift
+test(1550368799_999_999_999n, "America/Sao_Paulo", [2019, 2, "M02", 16, 23, 59, 59, 999, 999, 999]);
+// Just after DST backward shift
+test(1550368800_000_000_000n, "America/Sao_Paulo", [2019, 2, "M02", 16, 23, 0, 0, 0, 0, 0]);