diff --git a/AK/Time.cpp b/AK/Time.cpp
index 6eb9d2bdedb..f91dd358dd1 100644
--- a/AK/Time.cpp
+++ b/AK/Time.cpp
@@ -256,26 +256,6 @@ Time& Time::operator-=(Time const& other)
     return *this;
 }
 
-bool Time::operator<(Time const& other) const
-{
-    return m_seconds < other.m_seconds || (m_seconds == other.m_seconds && m_nanoseconds < other.m_nanoseconds);
-}
-
-bool Time::operator<=(Time const& other) const
-{
-    return m_seconds < other.m_seconds || (m_seconds == other.m_seconds && m_nanoseconds <= other.m_nanoseconds);
-}
-
-bool Time::operator>(Time const& other) const
-{
-    return m_seconds > other.m_seconds || (m_seconds == other.m_seconds && m_nanoseconds > other.m_nanoseconds);
-}
-
-bool Time::operator>=(Time const& other) const
-{
-    return m_seconds > other.m_seconds || (m_seconds == other.m_seconds && m_nanoseconds >= other.m_nanoseconds);
-}
-
 Time Time::from_half_sanitized(i64 seconds, i32 extra_seconds, u32 nanoseconds)
 {
     VERIFY(nanoseconds < 1'000'000'000);
diff --git a/AK/Time.h b/AK/Time.h
index 526e55f7630..0b13b4a48ed 100644
--- a/AK/Time.h
+++ b/AK/Time.h
@@ -254,15 +254,24 @@ public:
     [[nodiscard]] bool is_zero() const { return (m_seconds == 0) && (m_nanoseconds == 0); }
     [[nodiscard]] bool is_negative() const { return m_seconds < 0; }
 
-    bool operator==(Time const& other) const { return this->m_seconds == other.m_seconds && this->m_nanoseconds == other.m_nanoseconds; }
     Time operator+(Time const& other) const;
     Time& operator+=(Time const& other);
     Time operator-(Time const& other) const;
     Time& operator-=(Time const& other);
-    bool operator<(Time const& other) const;
-    bool operator<=(Time const& other) const;
-    bool operator>(Time const& other) const;
-    bool operator>=(Time const& other) const;
+
+    constexpr bool operator==(Time const& other) const = default;
+    constexpr int operator<=>(Time const& other) const
+    {
+        if (int cmp = (m_seconds > other.m_seconds ? 1 : m_seconds < other.m_seconds ? -1
+                                                                                     : 0);
+            cmp != 0)
+            return cmp;
+        if (int cmp = (m_nanoseconds > other.m_nanoseconds ? 1 : m_nanoseconds < other.m_nanoseconds ? -1
+                                                                                                     : 0);
+            cmp != 0)
+            return cmp;
+        return 0;
+    }
 
 private:
     constexpr explicit Time(i64 seconds, u32 nanoseconds)
diff --git a/Tests/AK/TestTime.cpp b/Tests/AK/TestTime.cpp
index caafbdab95f..00df3057019 100644
--- a/Tests/AK/TestTime.cpp
+++ b/Tests/AK/TestTime.cpp
@@ -475,3 +475,18 @@ TEST_CASE(years_to_days_since_epoch_span)
         EXPECT_EQ(actual_days, expected_days);
     }
 }
+
+TEST_CASE(user_defined_literals)
+{
+    using namespace AK::TimeLiterals;
+    static_assert(Time::from_nanoseconds(123) == 123_ns, "Factory is same as UDL");
+
+    static_assert(100_ms > 10_ms, "LT UDL");
+    static_assert(1000_ns == 1_us, "EQ UDL");
+    static_assert(1_sec > 1_ms, "GT UDL");
+    static_assert(100_ms >= 100'000_us, "GE UDL (eq)");
+    static_assert(100_ms >= 99'999_us, "GE UDL (gt)");
+    static_assert(100_ms <= 100'000_us, "LE UDL (eq)");
+    static_assert(100_ms <= 100'001_us, "LE UDL (lt)");
+    static_assert(1_sec != 2_sec, "NE UDL");
+}