diff --git a/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp b/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
index df86ba6ee83..878bcb1f046 100644
--- a/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
+++ b/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp
@@ -630,6 +630,19 @@ ThrowCompletionOr<RelativeTo> get_temporal_relative_to_option(VM& vm, Object con
 
             // iv. Set matchBehaviour to MATCH-MINUTES.
             match_behavior = MatchBehavior::MatchMinutes;
+
+            // v. If offsetString is not EMPTY, then
+            if (offset_string.has_value()) {
+                // 1. Let offsetParseResult be ParseText(StringToCodePoints(offsetString), UTCOffset[+SubMinutePrecision]).
+                auto offset_parse_result = parse_utc_offset(*offset_string, SubMinutePrecision::Yes);
+
+                // 2. Assert: offsetParseResult is a Parse Node.
+                VERIFY(offset_parse_result.has_value());
+
+                // 3. If offsetParseResult contains more than one MinuteSecond Parse Node, set matchBehaviour to MATCH-EXACTLY.
+                if (offset_parse_result->seconds.has_value())
+                    match_behavior = MatchBehavior::MatchExactly;
+            }
         }
 
         // g. Let calendar be result.[[Calendar]].
diff --git a/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp b/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
index 42bd7c57868..4e4980db62b 100644
--- a/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
+++ b/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp
@@ -262,22 +262,35 @@ ThrowCompletionOr<GC::Ref<ZonedDateTime>> to_temporal_zoned_date_time(VM& vm, Va
         // l. Set matchBehaviour to MATCH-MINUTES.
         match_behavior = MatchBehavior::MatchMinutes;
 
-        // m. Let resolvedOptions be ? GetOptionsObject(options).
+        // m. If offsetString is not EMPTY, then
+        if (offset_string.has_value()) {
+            // i. Let offsetParseResult be ParseText(StringToCodePoints(offsetString), UTCOffset[+SubMinutePrecision]).
+            auto offset_parse_result = parse_utc_offset(*offset_string, SubMinutePrecision::Yes);
+
+            // ii. Assert: offsetParseResult is a Parse Node.
+            VERIFY(offset_parse_result.has_value());
+
+            // iii. If offsetParseResult contains more than one MinuteSecond Parse Node, set matchBehaviour to MATCH-EXACTLY.
+            if (offset_parse_result->seconds.has_value())
+                match_behavior = MatchBehavior::MatchExactly;
+        }
+
+        // n. Let resolvedOptions be ? GetOptionsObject(options).
         auto resolved_options = TRY(get_options_object(vm, options));
 
-        // n. Let disambiguation be ? GetTemporalDisambiguationOption(resolvedOptions).
+        // o. Let disambiguation be ? GetTemporalDisambiguationOption(resolvedOptions).
         disambiguation = TRY(get_temporal_disambiguation_option(vm, resolved_options));
 
-        // o. Let offsetOption be ? GetTemporalOffsetOption(resolvedOptions, REJECT).
+        // p. Let offsetOption be ? GetTemporalOffsetOption(resolvedOptions, REJECT).
         offset_option = TRY(get_temporal_offset_option(vm, resolved_options, OffsetOption::Reject));
 
-        // p. Perform ? GetTemporalOverflowOption(resolvedOptions).
+        // q. Perform ? GetTemporalOverflowOption(resolvedOptions).
         TRY(get_temporal_overflow_option(vm, resolved_options));
 
-        // q. Let isoDate be CreateISODateRecord(result.[[Year]], result.[[Month]], result.[[Day]]).
+        // r. Let isoDate be CreateISODateRecord(result.[[Year]], result.[[Month]], result.[[Day]]).
         iso_date = create_iso_date_record(*result.year, result.month, result.day);
 
-        // r. Let time be result.[[Time]].
+        // s. Let time be result.[[Time]].
         time = result.time;
     }
 
diff --git a/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.compare.js b/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.compare.js
index ab0568d5f9a..062ad042f7b 100644
--- a/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.compare.js
+++ b/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.compare.js
@@ -67,6 +67,21 @@ describe("correct behavior", () => {
         });
         expect(result).toBe(-1);
     });
+
+    test("sub-minute time zone offset", () => {
+        const duration1 = new Temporal.Duration(0, 0, 0, 31);
+        const duration2 = new Temporal.Duration(0, 1);
+
+        let result = Temporal.Duration.compare(duration1, duration2, {
+            relativeTo: "1970-01-01T00:00:00-00:45[Africa/Monrovia]",
+        });
+        expect(result).toBe(0);
+
+        result = Temporal.Duration.compare(duration1, duration2, {
+            relativeTo: "1970-01-01T00:00:00-00:44:30[Africa/Monrovia]",
+        });
+        expect(result).toBe(0);
+    });
 });
 
 describe("errors", () => {
@@ -132,4 +147,27 @@ describe("errors", () => {
             "A starting point is required for comparing calendar units"
         );
     });
+
+    test("sub-minute time zone offset mismatch", () => {
+        const duration1 = new Temporal.Duration(0, 0, 0, 31);
+        const duration2 = new Temporal.Duration(0, 1);
+
+        expect(() => {
+            Temporal.Duration.compare(duration1, duration2, {
+                relativeTo: "1970-01-01T00:00:00-00:44:40[Africa/Monrovia]",
+            });
+        }).toThrowWithMessage(
+            RangeError,
+            "Invalid offset for the provided date and time in the current time zone"
+        );
+
+        expect(() => {
+            Temporal.Duration.compare(duration1, duration2, {
+                relativeTo: "1970-01-01T00:00:00-00:45:00[Africa/Monrovia]",
+            });
+        }).toThrowWithMessage(
+            RangeError,
+            "Invalid offset for the provided date and time in the current time zone"
+        );
+    });
 });