diff --git a/src/corelib/time/qdatetime.cpp b/src/corelib/time/qdatetime.cpp
index 3651aaa9d79..6b260a36ecb 100644
--- a/src/corelib/time/qdatetime.cpp
+++ b/src/corelib/time/qdatetime.cpp
@@ -2236,38 +2236,38 @@ int QTime::msecsTo(QTime t) const
 
 
 /*!
-    \fn bool QTime::operator==(QTime lhs, QTime rhs)
+    \fn bool QTime::operator==(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is equal to \a rhs; otherwise returns \c false.
 */
 
 /*!
-    \fn bool QTime::operator!=(QTime lhs, QTime rhs)
+    \fn bool QTime::operator!=(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is different from \a rhs; otherwise returns \c false.
 */
 
 /*!
-    \fn bool QTime::operator<(QTime lhs, QTime rhs)
+    \fn bool QTime::operator<(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is earlier than \a rhs; otherwise returns \c false.
 */
 
 /*!
-    \fn bool QTime::operator<=(QTime lhs, QTime rhs)
+    \fn bool QTime::operator<=(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is earlier than or equal to \a rhs;
     otherwise returns \c false.
 */
 
 /*!
-    \fn bool QTime::operator>(QTime lhs, QTime rhs)
+    \fn bool QTime::operator>(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is later than \a rhs; otherwise returns \c false.
 */
 
 /*!
-    \fn bool QTime::operator>=(QTime lhs, QTime rhs)
+    \fn bool QTime::operator>=(const QTime &lhs, const QTime &rhs)
 
     Returns \c true if \a lhs is later than or equal to \a rhs;
     otherwise returns \c false.
diff --git a/src/corelib/time/qdatetime.h b/src/corelib/time/qdatetime.h
index 6183daa5a1d..0301a4fdded 100644
--- a/src/corelib/time/qdatetime.h
+++ b/src/corelib/time/qdatetime.h
@@ -235,12 +235,12 @@ private:
     constexpr inline int ds() const { return mds == -1 ? 0 : mds; }
     int mds;
 
-    friend constexpr bool operator==(QTime lhs, QTime rhs) { return lhs.mds == rhs.mds; }
-    friend constexpr bool operator!=(QTime lhs, QTime rhs) { return lhs.mds != rhs.mds; }
-    friend constexpr bool operator< (QTime lhs, QTime rhs) { return lhs.mds <  rhs.mds; }
-    friend constexpr bool operator<=(QTime lhs, QTime rhs) { return lhs.mds <= rhs.mds; }
-    friend constexpr bool operator> (QTime lhs, QTime rhs) { return lhs.mds >  rhs.mds; }
-    friend constexpr bool operator>=(QTime lhs, QTime rhs) { return lhs.mds >= rhs.mds; }
+    friend constexpr bool comparesEqual(const QTime &lhs, const QTime &rhs) noexcept
+    { return lhs.mds == rhs.mds; }
+    friend constexpr Qt::strong_ordering
+    compareThreeWay(const QTime &lhs, const QTime &rhs) noexcept
+    { return Qt::compareThreeWay(lhs.mds, rhs.mds); }
+    Q_DECLARE_STRONGLY_ORDERED_LITERAL_TYPE(QTime)
 
     friend class QDateTime;
     friend class QDateTimePrivate;