diff --git a/Tests/LibCore/TestLibCoreDateTime.cpp b/Tests/LibCore/TestLibCoreDateTime.cpp
index 0fde0d3065..d412ce6b1d 100644
--- a/Tests/LibCore/TestLibCoreDateTime.cpp
+++ b/Tests/LibCore/TestLibCoreDateTime.cpp
@@ -83,3 +83,26 @@ TEST_CASE(parse_time_zone_name)
     test("%Y/%m/%d %R %Z"sv, "2023/01/23 10:50 Europe/Paris"sv, 2023, 01, 23, 17, 50);
     test("%Y/%m/%d %R %Z"sv, "2023/01/23 10:50 Australia/Perth"sv, 2023, 01, 23, 10, 50);
 }
+
+TEST_CASE(parse_wildcard_characters)
+{
+    EXPECT(!Core::DateTime::parse("%+"sv, ""sv).has_value());
+    EXPECT(!Core::DateTime::parse("foo%+"sv, "foo"sv).has_value());
+    EXPECT(!Core::DateTime::parse("[%*]"sv, "[foo"sv).has_value());
+    EXPECT(!Core::DateTime::parse("[%*]"sv, "foo]"sv).has_value());
+    EXPECT(!Core::DateTime::parse("%+%b"sv, "fooJan"sv).has_value());
+
+    auto test = [](auto format, auto time, u32 year, u32 month, u32 day) {
+        auto result = Core::DateTime::parse(format, time);
+        VERIFY(result.has_value());
+
+        EXPECT_EQ(year, result->year());
+        EXPECT_EQ(month, result->month());
+        EXPECT_EQ(day, result->day());
+    };
+
+    test("%Y %+ %m %d"sv, "2023 whf 01 23"sv, 2023, 01, 23);
+    test("%Y %m %d %+"sv, "2023 01 23 whf"sv, 2023, 01, 23);
+    test("%Y [%+] %m %d"sv, "2023 [well hello friends!] 01 23"sv, 2023, 01, 23);
+    test("%Y %m %d [%+]"sv, "2023 01 23 [well hello friends!]"sv, 2023, 01, 23);
+}
diff --git a/Userland/Libraries/LibCore/DateTime.cpp b/Userland/Libraries/LibCore/DateTime.cpp
index 11ecba36e2..000d684e0d 100644
--- a/Userland/Libraries/LibCore/DateTime.cpp
+++ b/Userland/Libraries/LibCore/DateTime.cpp
@@ -512,6 +512,24 @@ Optional<DateTime> DateTime::parse(StringView format, StringView string)
 
             tm_represents_utc_time = true;
             break;
+        case '+': {
+            Optional<char> next_format_character;
+
+            if (format_pos + 1 < format.length()) {
+                next_format_character = format[format_pos + 1];
+
+                // Disallow another formatter directly after %+. This is to avoid ambiguity when parsing a string like
+                // "ignoreJan" with "%+%b", as it would be non-trivial to know that where the %b field begins.
+                if (next_format_character == '%')
+                    return {};
+            }
+
+            auto discarded = string_lexer.consume_until([&](auto ch) { return ch == next_format_character; });
+            if (discarded.is_empty())
+                return {};
+
+            break;
+        }
         case '%':
             consume('%');
             break;