diff --git a/Userland/DynamicLoader/CMakeLists.txt b/Userland/DynamicLoader/CMakeLists.txt
index 3ce98360390..e4ff20970b4 100644
--- a/Userland/DynamicLoader/CMakeLists.txt
+++ b/Userland/DynamicLoader/CMakeLists.txt
@@ -8,6 +8,8 @@ file(GLOB AK_SOURCES "../../AK/*.cpp")
 file(GLOB ELF_SOURCES "../Libraries/LibELF/*.cpp")
 file(GLOB LIBC_SOURCES1 "../Libraries/LibC/*.cpp")
 file(GLOB LIBC_SOURCES2 "../Libraries/LibC/*/*.cpp")
+file(GLOB LIBC_TEST_SOURCES "../Libraries/LibC/Tests/*.cpp")
+list(REMOVE_ITEM LIBC_SOURCES2 ${LIBC_TEST_SOURCES})
 
 if ("${SERENITY_ARCH}" STREQUAL "i686")
     file(GLOB LIBC_SOURCES3 "../Libraries/LibC/arch/i386/*.S")
diff --git a/Userland/Libraries/LibC/CMakeLists.txt b/Userland/Libraries/LibC/CMakeLists.txt
index f2d90963dbd..1ef945d3fec 100644
--- a/Userland/Libraries/LibC/CMakeLists.txt
+++ b/Userland/Libraries/LibC/CMakeLists.txt
@@ -1,3 +1,5 @@
+add_subdirectory(Tests)
+
 set(LIBC_SOURCES
     arpa/inet.cpp
     assert.cpp
diff --git a/Userland/Libraries/LibC/Tests/CMakeLists.txt b/Userland/Libraries/LibC/Tests/CMakeLists.txt
new file mode 100644
index 00000000000..768d9842278
--- /dev/null
+++ b/Userland/Libraries/LibC/Tests/CMakeLists.txt
@@ -0,0 +1,8 @@
+file(GLOB TEST_SOURCES CONFIGURE_DEPENDS "*.cpp")
+
+foreach(source ${TEST_SOURCES})
+    get_filename_component(name ${source} NAME_WE)
+    add_executable(${name} ${source})
+    target_link_libraries(${name} LibC LibCore)
+    install(TARGETS ${name} RUNTIME DESTINATION usr/Tests/LibC)
+endforeach()
diff --git a/Userland/Libraries/LibC/Tests/TestLibCTime.cpp b/Userland/Libraries/LibC/Tests/TestLibCTime.cpp
new file mode 100644
index 00000000000..1ae599c1e13
--- /dev/null
+++ b/Userland/Libraries/LibC/Tests/TestLibCTime.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2021, Brian Gianforcaro <b.gianfo@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/StringView.h>
+#include <AK/TestSuite.h>
+#include <time.h>
+
+const auto expected_epoch = "Thu Jan  1 00:00:00 1970\n"sv;
+
+TEST_CASE(asctime)
+{
+    time_t epoch = 0;
+    auto result = asctime(localtime(&epoch));
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(asctime_r)
+{
+    char buffer[26] {};
+    time_t epoch = 0;
+    auto result = asctime_r(localtime(&epoch), buffer);
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(ctime)
+{
+    time_t epoch = 0;
+    auto result = ctime(&epoch);
+
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_CASE(ctime_r)
+{
+    char buffer[26] {};
+    time_t epoch = 0;
+    auto result = ctime_r(&epoch, buffer);
+
+    EXPECT_EQ(expected_epoch, StringView(result));
+}
+
+TEST_MAIN(LibCTime)